fix bad indentations(mainly around collection literals) (#41355)

diff --git a/packages/flutter/test/cupertino/nav_bar_test.dart b/packages/flutter/test/cupertino/nav_bar_test.dart
index 967d6cd..70204dc 100644
--- a/packages/flutter/test/cupertino/nav_bar_test.dart
+++ b/packages/flutter/test/cupertino/nav_bar_test.dart
@@ -334,8 +334,8 @@
     });
 
     expect(opacities, <double> [
-        0.0, // Initially the smaller font title is invisible.
-        1.0, // The larger font title is visible.
+      0.0, // Initially the smaller font title is invisible.
+      1.0, // The larger font title is visible.
     ]);
 
     expect(tester.getTopLeft(find.widgetWithText(OverflowBox, 'Title')).dy, 44.0);
@@ -359,8 +359,8 @@
     });
 
     expect(opacities, <double> [
-        1.0, // Smaller font title now visible
-        0.0, // Larger font title invisible.
+      1.0, // Smaller font title now visible
+      0.0, // Larger font title invisible.
     ]);
 
     // The persistent toolbar doesn't move or change size.
diff --git a/packages/flutter/test/cupertino/route_test.dart b/packages/flutter/test/cupertino/route_test.dart
index 17e581f..33ada9b 100644
--- a/packages/flutter/test/cupertino/route_test.dart
+++ b/packages/flutter/test/cupertino/route_test.dart
@@ -95,8 +95,8 @@
     });
 
     expect(opacities, <double> [
-        0.0, // Initially the smaller font title is invisible.
-        1.0, // The larger font title is visible.
+      0.0, // Initially the smaller font title is invisible.
+      1.0, // The larger font title is visible.
     ]);
 
     // Check that the large font title is at the right spot.
diff --git a/packages/flutter/test/material/bottom_navigation_bar_test.dart b/packages/flutter/test/material/bottom_navigation_bar_test.dart
index 7142e8c..f2be037 100644
--- a/packages/flutter/test/material/bottom_navigation_bar_test.dart
+++ b/packages/flutter/test/material/bottom_navigation_bar_test.dart
@@ -1431,18 +1431,21 @@
   testWidgets('BottomNavigationBar item title should not be nullable', (WidgetTester tester) async {
     expect(() {
       MaterialApp(
-          home: Scaffold(
-              bottomNavigationBar: BottomNavigationBar(
-                  type: BottomNavigationBarType.shifting,
-                  items: const <BottomNavigationBarItem>[
-            BottomNavigationBarItem(
-              icon: Icon(Icons.ac_unit),
-              title: Text('AC'),
-            ),
-            BottomNavigationBarItem(
-              icon: Icon(Icons.access_alarm),
-            ),
-          ])));
+        home: Scaffold(
+          bottomNavigationBar: BottomNavigationBar(
+            type: BottomNavigationBarType.shifting,
+            items: const <BottomNavigationBarItem>[
+              BottomNavigationBarItem(
+                icon: Icon(Icons.ac_unit),
+                title: Text('AC'),
+              ),
+              BottomNavigationBarItem(
+                icon: Icon(Icons.access_alarm),
+              ),
+            ],
+          ),
+        ),
+      );
     }, throwsA(isInstanceOf<AssertionError>()));
   });
 
diff --git a/packages/flutter/test/material/raw_material_button_test.dart b/packages/flutter/test/material/raw_material_button_test.dart
index 4703bc3..4f07e66 100644
--- a/packages/flutter/test/material/raw_material_button_test.dart
+++ b/packages/flutter/test/material/raw_material_button_test.dart
@@ -52,23 +52,25 @@
     expect(semantics, hasSemantics(
       TestSemantics.root(
         children: <TestSemantics>[
-        TestSemantics(
-          id: 1,
-          flags: <SemanticsFlag>[
-            SemanticsFlag.isButton,
-            SemanticsFlag.hasEnabledState,
-            SemanticsFlag.isEnabled,
-          ],
-          actions: <SemanticsAction>[
-            SemanticsAction.tap,
-          ],
-          label: '+',
-          textDirection: TextDirection.ltr,
-          rect: const Rect.fromLTRB(0.0, 0.0, 48.0, 48.0),
-          children: <TestSemantics>[],
-        ),
-      ]
-    ), ignoreTransform: true));
+          TestSemantics(
+            id: 1,
+            flags: <SemanticsFlag>[
+              SemanticsFlag.isButton,
+              SemanticsFlag.hasEnabledState,
+              SemanticsFlag.isEnabled,
+            ],
+            actions: <SemanticsAction>[
+              SemanticsAction.tap,
+            ],
+            label: '+',
+            textDirection: TextDirection.ltr,
+            rect: const Rect.fromLTRB(0.0, 0.0, 48.0, 48.0),
+            children: <TestSemantics>[],
+          ),
+        ]
+      ),
+      ignoreTransform: true,
+    ));
 
     semantics.dispose();
   });
diff --git a/packages/flutter/test/rendering/platform_view_test.dart b/packages/flutter/test/rendering/platform_view_test.dart
index 763a390..2b9e273 100644
--- a/packages/flutter/test/rendering/platform_view_test.dart
+++ b/packages/flutter/test/rendering/platform_view_test.dart
@@ -21,12 +21,13 @@
         controller: fakePlatformViewController,
         hitTestBehavior: PlatformViewHitTestBehavior.opaque,
         gestureRecognizers: <Factory<OneSequenceGestureRecognizer>>{
-                  Factory<VerticalDragGestureRecognizer>(
-                    () {
-                      return VerticalDragGestureRecognizer();
-                    },
-                  ),
-                },);
+          Factory<VerticalDragGestureRecognizer>(
+            () {
+              return VerticalDragGestureRecognizer();
+            },
+          ),
+        },
+      );
     });
 
     test('layout should size to max constraint', () {
diff --git a/packages/flutter/test/rendering/table_test.dart b/packages/flutter/test/rendering/table_test.dart
index bae9252..dd17bbb 100644
--- a/packages/flutter/test/rendering/table_test.dart
+++ b/packages/flutter/test/rendering/table_test.dart
@@ -176,15 +176,21 @@
     final RenderBox child2 = RenderPositionedBox();
     final RenderBox child3 = RenderPositionedBox();
     table = RenderTable(textDirection: TextDirection.ltr);
-    table.setFlatChildren(3, <RenderBox>[child1, RenderPositionedBox(), child2,
-                                         RenderPositionedBox(), child3, RenderPositionedBox()]);
+    table.setFlatChildren(3, <RenderBox>[
+      child1, RenderPositionedBox(), child2,
+      RenderPositionedBox(), child3, RenderPositionedBox(),
+    ]);
     expect(table.rows, equals(2));
     layout(table);
-    table.setFlatChildren(3, <RenderBox>[RenderPositionedBox(), child1, RenderPositionedBox(),
-                                         child2, RenderPositionedBox(), child3]);
+    table.setFlatChildren(3, <RenderBox>[
+      RenderPositionedBox(), child1, RenderPositionedBox(),
+      child2, RenderPositionedBox(), child3,
+    ]);
     pumpFrame();
-    table.setFlatChildren(3, <RenderBox>[RenderPositionedBox(), child1, RenderPositionedBox(),
-                                         child2, RenderPositionedBox(), child3]);
+    table.setFlatChildren(3, <RenderBox>[
+      RenderPositionedBox(), child1, RenderPositionedBox(),
+      child2, RenderPositionedBox(), child3,
+    ]);
     pumpFrame();
     expect(table.columns, equals(3));
     expect(table.rows, equals(2));
@@ -208,12 +214,16 @@
     table.setFlatChildren(2, <RenderBox>[ RenderPositionedBox(), RenderPositionedBox() ]);
     pumpFrame();
     expect(table, paints..path()..path()..path()..path()..path());
-    table.setFlatChildren(2, <RenderBox>[ RenderPositionedBox(), RenderPositionedBox(),
-                                          RenderPositionedBox(), RenderPositionedBox() ]);
+    table.setFlatChildren(2, <RenderBox>[
+      RenderPositionedBox(), RenderPositionedBox(),
+      RenderPositionedBox(), RenderPositionedBox(),
+    ]);
     pumpFrame();
     expect(table, paints..path()..path()..path()..path()..path()..path());
-    table.setFlatChildren(3, <RenderBox>[ RenderPositionedBox(), RenderPositionedBox(), RenderPositionedBox(),
-                                          RenderPositionedBox(), RenderPositionedBox(), RenderPositionedBox() ]);
+    table.setFlatChildren(3, <RenderBox>[
+      RenderPositionedBox(), RenderPositionedBox(), RenderPositionedBox(),
+      RenderPositionedBox(), RenderPositionedBox(), RenderPositionedBox(),
+    ]);
     pumpFrame();
     expect(table, paints..path()..path()..path()..path()..path()..path());
   });
diff --git a/packages/flutter/test/services/message_codecs_test.dart b/packages/flutter/test/services/message_codecs_test.dart
index b1aa34c..8b9190d 100644
--- a/packages/flutter/test/services/message_codecs_test.dart
+++ b/packages/flutter/test/services/message_codecs_test.dart
@@ -148,8 +148,10 @@
       checkEncoding<dynamic>(
         standard,
         1.0,
-        <int>[6, 0, 0, 0, 0, 0, 0, 0,
-              0, 0, 0, 0, 0, 0, 0xf0, 0x3f],
+        <int>[
+          6, 0, 0, 0, 0, 0, 0, 0,
+          0, 0, 0, 0, 0, 0, 0xf0, 0x3f,
+        ],
       );
     });
   });
diff --git a/packages/flutter/test/widgets/draggable_test.dart b/packages/flutter/test/widgets/draggable_test.dart
index b5f1697..69466a5 100644
--- a/packages/flutter/test/widgets/draggable_test.dart
+++ b/packages/flutter/test/widgets/draggable_test.dart
@@ -158,18 +158,20 @@
                 onTap: () {
                   events.add('tap');
                 },
-                child: Container(child: const Text('Button'),
+                child: Container(
+                  child: const Text('Button'),
+                ),
               ),
-            ),
-            DragTarget<int>(
-              builder: (BuildContext context, List<int> data, List<dynamic> rejects) {
-                return IgnorePointer(
-                  child: Container(child: const Text('Target')),
-                );
-              },
-              onAccept: (int data) {
-                events.add('drop');
-              }),
+              DragTarget<int>(
+                builder: (BuildContext context, List<int> data, List<dynamic> rejects) {
+                  return IgnorePointer(
+                    child: Container(child: const Text('Target')),
+                  );
+                },
+                onAccept: (int data) {
+                  events.add('drop');
+                },
+              ),
             ],
           ),
         ],
diff --git a/packages/flutter/test/widgets/navigator_test.dart b/packages/flutter/test/widgets/navigator_test.dart
index c337ac9..7f78a74 100644
--- a/packages/flutter/test/widgets/navigator_test.dart
+++ b/packages/flutter/test/widgets/navigator_test.dart
@@ -294,7 +294,7 @@
 
   testWidgets('popAndPushNamed', (WidgetTester tester) async {
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
-       '/': (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
+      '/' : (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
       '/A': (BuildContext context) => OnTapPage(id: 'A', onTap: () { Navigator.popAndPushNamed(context, '/B'); }),
       '/B': (BuildContext context) => OnTapPage(id: 'B', onTap: () { Navigator.pop(context); }),
     };
@@ -321,7 +321,7 @@
 
   testWidgets('Push and pop should trigger the observers', (WidgetTester tester) async {
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
-       '/': (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
+      '/' : (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
       '/A': (BuildContext context) => OnTapPage(id: 'A', onTap: () { Navigator.pop(context); }),
     };
     bool isPushed = false;
@@ -381,7 +381,7 @@
 
   testWidgets('Add and remove an observer should work', (WidgetTester tester) async {
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
-       '/': (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
+      '/' : (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
       '/A': (BuildContext context) => OnTapPage(id: 'A', onTap: () { Navigator.pop(context); }),
     };
     bool isPushed = false;
@@ -428,7 +428,7 @@
 
   testWidgets('replaceNamed', (WidgetTester tester) async {
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
-       '/': (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushReplacementNamed(context, '/A'); }),
+      '/' : (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushReplacementNamed(context, '/A'); }),
       '/A': (BuildContext context) => OnTapPage(id: 'A', onTap: () { Navigator.pushReplacementNamed(context, '/B'); }),
       '/B': (BuildContext context) => const OnTapPage(id: 'B'),
     };
@@ -452,7 +452,7 @@
     Future<String> value;
 
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
-       '/': (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
+      '/' : (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
       '/A': (BuildContext context) => OnTapPage(id: 'A', onTap: () { value = Navigator.pushReplacementNamed(context, '/B', result: 'B'); }),
       '/B': (BuildContext context) => OnTapPage(id: 'B', onTap: () { Navigator.pop(context, 'B'); }),
     };
@@ -499,7 +499,7 @@
 
   testWidgets('removeRoute', (WidgetTester tester) async {
     final Map<String, WidgetBuilder> pageBuilders = <String, WidgetBuilder>{
-       '/': (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
+      '/' : (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
       '/A': (BuildContext context) => OnTapPage(id: 'A', onTap: () { Navigator.pushNamed(context, '/B'); }),
       '/B': (BuildContext context) => const OnTapPage(id: 'B'),
     };
@@ -683,7 +683,7 @@
 
   testWidgets('didStartUserGesture observable', (WidgetTester tester) async {
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
-       '/': (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
+      '/' : (BuildContext context) => OnTapPage(id: '/', onTap: () { Navigator.pushNamed(context, '/A'); }),
       '/A': (BuildContext context) => OnTapPage(id: 'A', onTap: () { Navigator.pop(context); }),
     };
 
diff --git a/packages/flutter/test/widgets/overscroll_indicator_test.dart b/packages/flutter/test/widgets/overscroll_indicator_test.dart
index 794f7f9..c40f6c2 100644
--- a/packages/flutter/test/widgets/overscroll_indicator_test.dart
+++ b/packages/flutter/test/widgets/overscroll_indicator_test.dart
@@ -72,7 +72,7 @@
                 width: 600.0,
                 child: const CustomScrollView(
                   slivers: <Widget>[
-                      SliverToBoxAdapter(child: SizedBox(height: 2000.0)),
+                    SliverToBoxAdapter(child: SizedBox(height: 2000.0)),
                   ],
                 ),
               ),
diff --git a/packages/flutter/test/widgets/sliver_fill_remaining_test.dart b/packages/flutter/test/widgets/sliver_fill_remaining_test.dart
index 0ebae1f..4050bc5 100644
--- a/packages/flutter/test/widgets/sliver_fill_remaining_test.dart
+++ b/packages/flutter/test/widgets/sliver_fill_remaining_test.dart
@@ -104,11 +104,11 @@
     testWidgets('scrolls beyond viewport by default', (WidgetTester tester) async {
       final ScrollController controller = ScrollController();
       final List<Widget> slivers = <Widget>[
-              sliverBox,
-              SliverFillRemaining(
-                child: Container(color: Colors.white),
-              ),
-            ];
+        sliverBox,
+        SliverFillRemaining(
+          child: Container(color: Colors.white),
+        ),
+      ];
       await tester.pumpWidget(boilerplate(slivers, controller: controller));
       expect(controller.offset, 0.0);
       expect(find.byType(Container), findsNWidgets(2));
diff --git a/packages/flutter/test/widgets/sliver_semantics_test.dart b/packages/flutter/test/widgets/sliver_semantics_test.dart
index c1ef222..c96e9c6 100644
--- a/packages/flutter/test/widgets/sliver_semantics_test.dart
+++ b/packages/flutter/test/widgets/sliver_semantics_test.dart
@@ -55,7 +55,7 @@
                     expandedHeight: appBarExpandedHeight,
                     title: Text('Semantics Test with Slivers'),
                   ),
-                   SliverList(
+                  SliverList(
                     delegate: SliverChildListDelegate(listChildren),
                   ),
                 ],
diff --git a/packages/flutter_tools/lib/src/build_runner/build_runner.dart b/packages/flutter_tools/lib/src/build_runner/build_runner.dart
index f24174a..a6242c9 100644
--- a/packages/flutter_tools/lib/src/build_runner/build_runner.dart
+++ b/packages/flutter_tools/lib/src/build_runner/build_runner.dart
@@ -163,8 +163,8 @@
         '--packages=$scriptPackagesPath',
         buildSnapshot.path,
         'daemon',
-         '--skip-build-script-check',
-         '--delete-conflicting-outputs',
+        '--skip-build-script-check',
+        '--delete-conflicting-outputs',
       ];
       buildDaemonClient = await BuildDaemonClient.connect(
         flutterProject.directory.path,
diff --git a/packages/flutter_tools/lib/src/build_runner/build_script.dart b/packages/flutter_tools/lib/src/build_runner/build_script.dart
index c5b8543..104d2c7 100644
--- a/packages/flutter_tools/lib/src/build_runner/build_script.dart
+++ b/packages/flutter_tools/lib/src/build_runner/build_script.dart
@@ -58,8 +58,7 @@
   'video_player',
 };
 
-final DartPlatform flutterWebPlatform =
-    DartPlatform.register('flutter_web', <String>[
+final DartPlatform flutterWebPlatform = DartPlatform.register('flutter_web', <String>[
   'async',
   'collection',
   'convert',
@@ -208,14 +207,14 @@
 
   @override
   Map<String, List<String>> get buildExtensions => const <String, List<String>>{
-        '.dart': <String>[
-          ddcBootstrapExtension,
-          jsEntrypointExtension,
-          jsEntrypointSourceMapExtension,
-          jsEntrypointArchiveExtension,
-          digestsEntrypointExtension,
-        ],
-      };
+    '.dart': <String>[
+      ddcBootstrapExtension,
+      jsEntrypointExtension,
+      jsEntrypointSourceMapExtension,
+      jsEntrypointArchiveExtension,
+      digestsEntrypointExtension,
+    ],
+  };
 
   @override
   Future<void> build(BuildStep buildStep) async {
@@ -235,14 +234,14 @@
 
   @override
   Map<String, List<String>> get buildExtensions => const <String, List<String>>{
-        '.dart': <String>[
-          ddcBootstrapExtension,
-          jsEntrypointExtension,
-          jsEntrypointSourceMapExtension,
-          jsEntrypointArchiveExtension,
-          digestsEntrypointExtension,
-        ],
-      };
+    '.dart': <String>[
+      ddcBootstrapExtension,
+      jsEntrypointExtension,
+      jsEntrypointSourceMapExtension,
+      jsEntrypointArchiveExtension,
+      digestsEntrypointExtension,
+    ],
+  };
 
   @override
   Future<void> build(BuildStep buildStep) async {
diff --git a/packages/flutter_tools/lib/src/build_system/targets/dart.dart b/packages/flutter_tools/lib/src/build_system/targets/dart.dart
index b3dc5c2..d8b3acd 100644
--- a/packages/flutter_tools/lib/src/build_system/targets/dart.dart
+++ b/packages/flutter_tools/lib/src/build_system/targets/dart.dart
@@ -73,7 +73,7 @@
     Source.artifact(Artifact.vmSnapshotData, mode: BuildMode.debug),
     Source.artifact(Artifact.isolateSnapshotData, mode: BuildMode.debug),
     Source.pattern('{BUILD_DIR}/app.dill'),
-    Source.behavior(AssetOutputBehavior())
+    Source.behavior(AssetOutputBehavior()),
   ];
 
   @override
@@ -84,7 +84,7 @@
     Source.pattern('{OUTPUT_DIR}/AssetManifest.json'),
     Source.pattern('{OUTPUT_DIR}/FontManifest.json'),
     Source.pattern('{OUTPUT_DIR}/LICENSE'),
-    Source.behavior(AssetOutputBehavior())
+    Source.behavior(AssetOutputBehavior()),
   ];
 
   @override
@@ -157,7 +157,7 @@
     Source.pattern('{OUTPUT_DIR}/AssetManifest.json'),
     Source.pattern('{OUTPUT_DIR}/FontManifest.json'),
     Source.pattern('{OUTPUT_DIR}/LICENSE'),
-    Source.behavior(AssetOutputBehavior())
+    Source.behavior(AssetOutputBehavior()),
   ];
 
   @override
diff --git a/packages/flutter_tools/lib/src/bundle.dart b/packages/flutter_tools/lib/src/bundle.dart
index 6c3b6c9..6902a042 100644
--- a/packages/flutter_tools/lib/src/bundle.dart
+++ b/packages/flutter_tools/lib/src/bundle.dart
@@ -163,7 +163,7 @@
       kTargetFile: mainPath,
       kBuildMode: getNameForBuildMode(buildMode),
       kTargetPlatform: getNameForTargetPlatform(targetPlatform),
-    }
+    },
   );
   final Target target = buildMode == BuildMode.debug
     ? const CopyFlutterBundle()
diff --git a/packages/flutter_tools/lib/src/commands/unpack.dart b/packages/flutter_tools/lib/src/commands/unpack.dart
index caa4436..6dfdc10 100644
--- a/packages/flutter_tools/lib/src/commands/unpack.dart
+++ b/packages/flutter_tools/lib/src/commands/unpack.dart
@@ -12,8 +12,7 @@
 import '../runner/flutter_command.dart';
 
 /// The directory in the Flutter cache for each platform's artifacts.
-const Map<TargetPlatform, String> flutterArtifactPlatformDirectory =
-    <TargetPlatform, String>{
+const Map<TargetPlatform, String> flutterArtifactPlatformDirectory = <TargetPlatform, String>{
   TargetPlatform.linux_x64: 'linux-x64',
   TargetPlatform.darwin_x64: 'darwin-x64',
   TargetPlatform.windows_x64: 'windows-x64',
diff --git a/packages/flutter_tools/lib/src/doctor.dart b/packages/flutter_tools/lib/src/doctor.dart
index 4aec079..dd932ba 100644
--- a/packages/flutter_tools/lib/src/doctor.dart
+++ b/packages/flutter_tools/lib/src/doctor.dart
@@ -802,7 +802,7 @@
       validators.add(ValidatorWithResult(
           userMessages.intellijMacUnknownResult,
           ValidationResult(ValidationType.missing, <ValidationMessage>[
-              ValidationMessage.error(e.message),
+            ValidationMessage.error(e.message),
           ]),
       ));
     }
diff --git a/packages/flutter_tools/lib/src/test/flutter_web_platform.dart b/packages/flutter_tools/lib/src/test/flutter_web_platform.dart
index 416b7d0..2281b98 100644
--- a/packages/flutter_tools/lib/src/test/flutter_web_platform.dart
+++ b/packages/flutter_tools/lib/src/test/flutter_web_platform.dart
@@ -245,11 +245,11 @@
         _webSocketHandler.create(webSocketHandler(completer.complete));
     final Uri webSocketUrl = url.replace(scheme: 'ws').resolve(path);
     final Uri hostUrl = url
-        .resolve('static/index.html')
-        .replace(queryParameters: <String, String>{
-      'managerUrl': webSocketUrl.toString(),
-      'debug': _config.pauseAfterLoad.toString(),
-    });
+      .resolve('static/index.html')
+      .replace(queryParameters: <String, String>{
+        'managerUrl': webSocketUrl.toString(),
+        'debug': _config.pauseAfterLoad.toString(),
+      });
 
     printTrace('Serving tests at $hostUrl');
 
@@ -559,8 +559,7 @@
     Object message, {
     StackTraceMapper mapper,
   }) async {
-    url = url.replace(
-        fragment: Uri.encodeFull(jsonEncode(<String, Object>{
+    url = url.replace(fragment: Uri.encodeFull(jsonEncode(<String, Object>{
       'metadata': suiteConfig.metadata.serialize(),
       'browser': _runtime.identifier,
     })));
diff --git a/packages/flutter_tools/lib/src/version.dart b/packages/flutter_tools/lib/src/version.dart
index 210f96e..c3d9364 100644
--- a/packages/flutter_tools/lib/src/version.dart
+++ b/packages/flutter_tools/lib/src/version.dart
@@ -120,14 +120,14 @@
   }
 
   Map<String, Object> toJson() => <String, Object>{
-        'frameworkVersion': frameworkVersion ?? 'unknown',
-        'channel': channel,
-        'repositoryUrl': repositoryUrl ?? 'unknown source',
-        'frameworkRevision': frameworkRevision,
-        'frameworkCommitDate': frameworkCommitDate,
-        'engineRevision': engineRevision,
-        'dartSdkVersion': dartSdkVersion,
-      };
+    'frameworkVersion': frameworkVersion ?? 'unknown',
+    'channel': channel,
+    'repositoryUrl': repositoryUrl ?? 'unknown source',
+    'frameworkRevision': frameworkRevision,
+    'frameworkCommitDate': frameworkCommitDate,
+    'engineRevision': engineRevision,
+    'dartSdkVersion': dartSdkVersion,
+  };
 
   /// A date String describing the last framework commit.
   String get frameworkCommitDate => _latestGitCommitDate();
diff --git a/packages/flutter_tools/lib/src/vmservice.dart b/packages/flutter_tools/lib/src/vmservice.dart
index e43d532..fbf6e6b 100644
--- a/packages/flutter_tools/lib/src/vmservice.dart
+++ b/packages/flutter_tools/lib/src/vmservice.dart
@@ -331,8 +331,8 @@
     Map<String, dynamic> params,
   ) {
     return Future.any<Map<String, dynamic>>(<Future<Map<String, dynamic>>>[
-        _peer.sendRequest(method, params).then<Map<String, dynamic>>(castStringKeyedMap),
-        _connectionError.future,
+      _peer.sendRequest(method, params).then<Map<String, dynamic>>(castStringKeyedMap),
+      _connectionError.future,
     ]);
   }
 
diff --git a/packages/flutter_tools/test/general.shard/android/android_workflow_test.dart b/packages/flutter_tools/test/general.shard/android/android_workflow_test.dart
index e2ddec5..3269e4f 100644
--- a/packages/flutter_tools/test/general.shard/android/android_workflow_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/android_workflow_test.dart
@@ -88,8 +88,8 @@
   testUsingContext('licensesAccepted works for all licenses accepted', () async {
     when(sdk.sdkManagerPath).thenReturn('/foo/bar/sdkmanager');
     processManager.processFactory = processMetaFactory(<String>[
-       '[=======================================] 100% Computing updates...             ',
-       'All SDK package licenses accepted.',
+      '[=======================================] 100% Computing updates...             ',
+      'All SDK package licenses accepted.',
     ]);
 
     final AndroidLicenseValidator licenseValidator = AndroidLicenseValidator();
diff --git a/packages/flutter_tools/test/general.shard/android/gradle_test.dart b/packages/flutter_tools/test/general.shard/android/gradle_test.dart
index d2ff5d6..a32bc5a 100644
--- a/packages/flutter_tools/test/general.shard/android/gradle_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/gradle_test.dart
@@ -1401,14 +1401,14 @@
       expect(actualGradlewCall, contains('/path/to/project/.android/gradlew'));
       expect(actualGradlewCall, contains('-PlocalEngineOut=out/android_arm'));
     }, overrides: <Type, Generator>{
-        AndroidSdk: () => mockAndroidSdk,
-        AndroidStudio: () => mockAndroidStudio,
-        Artifacts: () => mockArtifacts,
-        Cache: () => cache,
-        ProcessManager: () => mockProcessManager,
-        Platform: () => android,
-        FileSystem: () => fs,
-      });
+      AndroidSdk: () => mockAndroidSdk,
+      AndroidStudio: () => mockAndroidStudio,
+      Artifacts: () => mockArtifacts,
+      Cache: () => cache,
+      ProcessManager: () => mockProcessManager,
+      Platform: () => android,
+      FileSystem: () => fs,
+    });
   });
 }
 
diff --git a/packages/flutter_tools/test/general.shard/base/build_test.dart b/packages/flutter_tools/test/general.shard/base/build_test.dart
index 07758f3..99dd36f 100644
--- a/packages/flutter_tools/test/general.shard/base/build_test.dart
+++ b/packages/flutter_tools/test/general.shard/base/build_test.dart
@@ -118,14 +118,15 @@
               SnapshotType(TargetPlatform.android_x64, BuildMode.release),
           darwinArch: null,
           additionalArgs: <String>['--additional_arg']);
-      verify(mockProcessManager.start(<String>[
-        'gen_snapshot',
-        '--causal_async_stacks',
-        '--additional_arg'
-      ],
-              workingDirectory: anyNamed('workingDirectory'),
-              environment: anyNamed('environment')))
-          .called(1);
+      verify(mockProcessManager.start(
+        <String>[
+          'gen_snapshot',
+          '--causal_async_stacks',
+          '--additional_arg',
+        ],
+        workingDirectory: anyNamed('workingDirectory'),
+        environment: anyNamed('environment'),
+      )).called(1);
     }, overrides: contextOverrides);
 
     testUsingContext('iOS armv7', () async {
@@ -142,14 +143,15 @@
           snapshotType: SnapshotType(TargetPlatform.ios, BuildMode.release),
           darwinArch: DarwinArch.armv7,
           additionalArgs: <String>['--additional_arg']);
-      verify(mockProcessManager.start(<String>[
-        'gen_snapshot_armv7',
-        '--causal_async_stacks',
-        '--additional_arg'
-      ],
-              workingDirectory: anyNamed('workingDirectory'),
-              environment: anyNamed('environment')))
-          .called(1);
+      verify(mockProcessManager.start(
+        <String>[
+          'gen_snapshot_armv7',
+          '--causal_async_stacks',
+          '--additional_arg',
+        ],
+        workingDirectory: anyNamed('workingDirectory'),
+        environment: anyNamed('environment')),
+      ).called(1);
     }, overrides: contextOverrides);
 
     testUsingContext('iOS arm64', () async {
@@ -166,14 +168,15 @@
           snapshotType: SnapshotType(TargetPlatform.ios, BuildMode.release),
           darwinArch: DarwinArch.arm64,
           additionalArgs: <String>['--additional_arg']);
-      verify(mockProcessManager.start(<String>[
-        'gen_snapshot_arm64',
-        '--causal_async_stacks',
-        '--additional_arg'
-      ],
-              workingDirectory: anyNamed('workingDirectory'),
-              environment: anyNamed('environment')))
-          .called(1);
+      verify(mockProcessManager.start(
+        <String>[
+          'gen_snapshot_arm64',
+          '--causal_async_stacks',
+          '--additional_arg',
+        ],
+        workingDirectory: anyNamed('workingDirectory'),
+        environment: anyNamed('environment'),
+      )).called(1);
     }, overrides: contextOverrides);
 
     testUsingContext('--strip filters outputs', () async {
@@ -187,11 +190,12 @@
           .thenAnswer((_) => Future<Process>.value(mockProc));
       when(mockProc.stdout).thenAnswer((_) => const Stream<List<int>>.empty());
       when(mockProc.stderr)
-          .thenAnswer((_) => Stream<String>.fromIterable(<String>[
-                '--ABC\n',
-                'Warning: Generating ELF library without DWARF debugging information.\n',
-                '--XYZ\n'
-              ]).transform<List<int>>(utf8.encoder));
+        .thenAnswer((_) => Stream<String>.fromIterable(<String>[
+          '--ABC\n',
+          'Warning: Generating ELF library without DWARF debugging information.\n',
+          '--XYZ\n',
+        ])
+        .transform<List<int>>(utf8.encoder));
       await genSnapshot.run(
           snapshotType:
               SnapshotType(TargetPlatform.android_x64, BuildMode.release),
diff --git a/packages/flutter_tools/test/general.shard/build_system/targets/dart_test.dart b/packages/flutter_tools/test/general.shard/build_system/targets/dart_test.dart
index d2bf170..050e217 100644
--- a/packages/flutter_tools/test/general.shard/build_system/targets/dart_test.dart
+++ b/packages/flutter_tools/test/general.shard/build_system/targets/dart_test.dart
@@ -188,12 +188,12 @@
     });
 
     await const KernelSnapshot().build(Environment(
-        outputDir: fs.currentDirectory,
-        projectDir: fs.currentDirectory,
-        defines: <String, String>{
-      kBuildMode: 'debug',
-      kTargetPlatform: getNameForTargetPlatform(TargetPlatform.android_arm),
-    }));
+      outputDir: fs.currentDirectory,
+      projectDir: fs.currentDirectory,
+      defines: <String, String>{
+        kBuildMode: 'debug',
+        kTargetPlatform: getNameForTargetPlatform(TargetPlatform.android_arm),
+      }));
   }, overrides: <Type, Generator>{
     KernelCompilerFactory: () => MockKernelCompilerFactory(),
   }));
diff --git a/packages/flutter_tools/test/general.shard/commands/build_linux_test.dart b/packages/flutter_tools/test/general.shard/commands/build_linux_test.dart
index dec46e1..11bee6d 100644
--- a/packages/flutter_tools/test/general.shard/commands/build_linux_test.dart
+++ b/packages/flutter_tools/test/general.shard/commands/build_linux_test.dart
@@ -170,7 +170,7 @@
     expect(BuildLinuxCommand().hidden, true);
   }, overrides: <Type, Generator>{
     FeatureFlags: () => TestFeatureFlags(isLinuxEnabled: false),
-     Platform: () => MockPlatform(),
+    Platform: () => MockPlatform(),
   });
 
   testUsingContext('Not hidden when enabled and on Linux host', () {
diff --git a/packages/flutter_tools/test/general.shard/commands/build_macos_test.dart b/packages/flutter_tools/test/general.shard/commands/build_macos_test.dart
index 7865826..33177d8 100644
--- a/packages/flutter_tools/test/general.shard/commands/build_macos_test.dart
+++ b/packages/flutter_tools/test/general.shard/commands/build_macos_test.dart
@@ -187,7 +187,7 @@
     expect(BuildMacosCommand().hidden, true);
   }, overrides: <Type, Generator>{
     FeatureFlags: () => TestFeatureFlags(isMacOSEnabled: false),
-     Platform: () => MockPlatform(),
+    Platform: () => MockPlatform(),
   });
 
   testUsingContext('Not hidden when enabled and on macOS host', () {
diff --git a/packages/flutter_tools/test/general.shard/commands/build_windows_test.dart b/packages/flutter_tools/test/general.shard/commands/build_windows_test.dart
index 508db29..6605d7b 100644
--- a/packages/flutter_tools/test/general.shard/commands/build_windows_test.dart
+++ b/packages/flutter_tools/test/general.shard/commands/build_windows_test.dart
@@ -181,7 +181,7 @@
     expect(BuildWindowsCommand().hidden, true);
   }, overrides: <Type, Generator>{
     FeatureFlags: () => TestFeatureFlags(isWindowsEnabled: false),
-     Platform: () => MockPlatform(),
+    Platform: () => MockPlatform(),
   });
 
   testUsingContext('Not hidden when enabled and on Windows host', () {
diff --git a/packages/flutter_tools/test/general.shard/commands/precache_test.dart b/packages/flutter_tools/test/general.shard/commands/precache_test.dart
index d9241c9..1b1fc25 100644
--- a/packages/flutter_tools/test/general.shard/commands/precache_test.dart
+++ b/packages/flutter_tools/test/general.shard/commands/precache_test.dart
@@ -114,17 +114,17 @@
       applyMocksToCommand(command);
       await createTestCommandRunner(command).run(
         const <String>[
-         'precache',
-         '--ios',
-         '--android_gen_snapshot',
-         '--android_maven',
-         '--android_internal_build',
-         '--web',
-         '--macos',
-         '--linux',
-         '--windows',
-         '--fuchsia',
-         '--flutter_runner',
+          'precache',
+          '--ios',
+          '--android_gen_snapshot',
+          '--android_maven',
+          '--android_internal_build',
+          '--web',
+          '--macos',
+          '--linux',
+          '--windows',
+          '--fuchsia',
+          '--flutter_runner',
         ]
       );
       expect(artifacts, unorderedEquals(<DevelopmentArtifact>{
diff --git a/packages/flutter_tools/test/general.shard/flutter_manifest_test.dart b/packages/flutter_tools/test/general.shard/flutter_manifest_test.dart
index 8f5b7f8..ef3c910 100644
--- a/packages/flutter_tools/test/general.shard/flutter_manifest_test.dart
+++ b/packages/flutter_tools/test/general.shard/flutter_manifest_test.dart
@@ -208,8 +208,8 @@
 ''';
       final FlutterManifest flutterManifest = FlutterManifest.createFromString(manifest);
       final dynamic expectedFontsDescriptor = <dynamic>[
-          {'fonts': [{'asset': 'a/bar'}, {'style': 'italic', 'weight': 400, 'asset': 'a/bar'}], 'family': 'foo'}, // ignore: always_specify_types
-          {'fonts': [{'asset': 'a/baz'}, {'style': 'italic', 'weight': 400, 'asset': 'a/baz'}], 'family': 'bar'}, // ignore: always_specify_types
+        {'fonts': [{'asset': 'a/bar'}, {'style': 'italic', 'weight': 400, 'asset': 'a/bar'}], 'family': 'foo'}, // ignore: always_specify_types
+        {'fonts': [{'asset': 'a/baz'}, {'style': 'italic', 'weight': 400, 'asset': 'a/baz'}], 'family': 'bar'}, // ignore: always_specify_types
       ];
       expect(flutterManifest.fontsDescriptor, expectedFontsDescriptor);
       final List<Font> fonts = flutterManifest.fonts;
diff --git a/packages/flutter_tools/test/general.shard/ios/simulators_test.dart b/packages/flutter_tools/test/general.shard/ios/simulators_test.dart
index 9093645..289c3af 100644
--- a/packages/flutter_tools/test/general.shard/ios/simulators_test.dart
+++ b/packages/flutter_tools/test/general.shard/ios/simulators_test.dart
@@ -222,12 +222,12 @@
         await deviceUnderTest.takeScreenshot(mockFile);
         verify(mockProcessManager.run(
           <String>[
-              '/usr/bin/xcrun',
-              'simctl',
-              'io',
-              'x',
-              'screenshot',
-              fs.path.join('some', 'path', 'to', 'screenshot.png'),
+            '/usr/bin/xcrun',
+            'simctl',
+            'io',
+            'x',
+            'screenshot',
+            fs.path.join('some', 'path', 'to', 'screenshot.png'),
           ],
           environment: null,
           workingDirectory: null,
diff --git a/packages/flutter_tools/test/general.shard/ios/xcode_backend_test.dart b/packages/flutter_tools/test/general.shard/ios/xcode_backend_test.dart
index 692cced..c2f63e8 100644
--- a/packages/flutter_tools/test/general.shard/ios/xcode_backend_test.dart
+++ b/packages/flutter_tools/test/general.shard/ios/xcode_backend_test.dart
@@ -35,8 +35,7 @@
 };
 
 // Can't use a debug build with a profile engine.
-const Map<String, String> localEngineProfileBuildeModeRelease =
-    <String, String>{
+const Map<String, String> localEngineProfileBuildeModeRelease = <String, String>{
   'SOURCE_ROOT': '../../../examples/hello_world',
   'FLUTTER_ROOT': '../../..',
   'LOCAL_ENGINE': '/engine/src/out/ios_profile',
diff --git a/packages/flutter_tools/test/general.shard/macos/cocoapods_test.dart b/packages/flutter_tools/test/general.shard/macos/cocoapods_test.dart
index 163f848..c82c4cf 100644
--- a/packages/flutter_tools/test/general.shard/macos/cocoapods_test.dart
+++ b/packages/flutter_tools/test/general.shard/macos/cocoapods_test.dart
@@ -174,9 +174,9 @@
     testUsingContext('creates swift Podfile if swift', () async {
       when(mockXcodeProjectInterpreter.isInstalled).thenReturn(true);
       when(mockXcodeProjectInterpreter.getBuildSettings(any, any))
-          .thenAnswer((_) async => <String, String>{
-        'SWIFT_VERSION': '4.0',
-      });
+        .thenAnswer((_) async => <String, String>{
+          'SWIFT_VERSION': '4.0',
+        });
 
       final FlutterProject project = FlutterProject.fromPath('project');
       await cocoaPodsUnderTest.setupPodfile(project.ios);
diff --git a/packages/flutter_tools/test/general.shard/project_test.dart b/packages/flutter_tools/test/general.shard/project_test.dart
index 3024d82..7b644be 100644
--- a/packages/flutter_tools/test/general.shard/project_test.dart
+++ b/packages/flutter_tools/test/general.shard/project_test.dart
@@ -323,9 +323,9 @@
         expect(await project.ios.isSwift, isTrue);
         expect(project.android.isKotlin, isTrue);
       }, overrides: <Type, Generator>{
-          FileSystem: () => fs,
-          XcodeProjectInterpreter: () => mockXcodeProjectInterpreter,
-          FlutterProjectFactory: () => flutterProjectFactory,
+        FileSystem: () => fs,
+        XcodeProjectInterpreter: () => mockXcodeProjectInterpreter,
+        FlutterProjectFactory: () => flutterProjectFactory,
       });
     });
 
diff --git a/packages/flutter_tools/test/general.shard/resident_web_runner_cold_test.dart b/packages/flutter_tools/test/general.shard/resident_web_runner_cold_test.dart
index 97b1863..ddf23a1 100644
--- a/packages/flutter_tools/test/general.shard/resident_web_runner_cold_test.dart
+++ b/packages/flutter_tools/test/general.shard/resident_web_runner_cold_test.dart
@@ -38,18 +38,19 @@
         );
       },
       overrides: <Type, Generator>{
-      WebFsFactory: () => ({
-        @required String target,
-        @required FlutterProject flutterProject,
-        @required BuildInfo buildInfo,
-        @required bool skipDwds,
-        @required bool initializePlatform,
-        @required String hostname,
-        @required String port,
-      }) async {
-        return mockWebFs;
+        WebFsFactory: () => ({
+          @required String target,
+          @required FlutterProject flutterProject,
+          @required BuildInfo buildInfo,
+          @required bool skipDwds,
+          @required bool initializePlatform,
+          @required String hostname,
+          @required String port,
+        }) async {
+          return mockWebFs;
+        },
       },
-    });
+    );
   });
 
   void _setupMocks() {
diff --git a/packages/flutter_tools/test/general.shard/resident_web_runner_test.dart b/packages/flutter_tools/test/general.shard/resident_web_runner_test.dart
index 4b7b5fc..c839508 100644
--- a/packages/flutter_tools/test/general.shard/resident_web_runner_test.dart
+++ b/packages/flutter_tools/test/general.shard/resident_web_runner_test.dart
@@ -50,18 +50,19 @@
         );
       },
       overrides: <Type, Generator>{
-      WebFsFactory: () => ({
-        @required String target,
-        @required FlutterProject flutterProject,
-        @required BuildInfo buildInfo,
-        @required bool skipDwds,
-        @required bool initializePlatform,
-        @required String hostname,
-        @required String port,
-      }) async {
-        return mockWebFs;
+        WebFsFactory: () => ({
+          @required String target,
+          @required FlutterProject flutterProject,
+          @required BuildInfo buildInfo,
+          @required bool skipDwds,
+          @required bool initializePlatform,
+          @required String hostname,
+          @required String port,
+        }) async {
+          return mockWebFs;
+        },
       },
-    });
+    );
   });
 
   void _setupMocks() {
diff --git a/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart b/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart
index c0fac98..3da0f6b 100644
--- a/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart
+++ b/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart
@@ -156,8 +156,7 @@
 
       testUsingContext('start', () async {
         final Uri observatoryUri = Uri.parse('http://127.0.0.1:6666/');
-        mockProcess = MockProcess(
-            stdout: Stream<List<int>>.fromIterable(<List<int>>[
+        mockProcess = MockProcess(stdout: Stream<List<int>>.fromIterable(<List<int>>[
           '''
 Observatory listening on $observatoryUri
 Hello!
diff --git a/packages/flutter_tools/test/general.shard/windows/visual_studio_test.dart b/packages/flutter_tools/test/general.shard/windows/visual_studio_test.dart
index f089d79..3ffe1e0 100644
--- a/packages/flutter_tools/test/general.shard/windows/visual_studio_test.dart
+++ b/packages/flutter_tools/test/general.shard/windows/visual_studio_test.dart
@@ -43,7 +43,7 @@
     'isPrerelease': false,
     'catalog': <String, dynamic>{
       'productDisplayVersion': '16.2.5',
-    }
+    },
   };
 
   // A version of a response that doesn't include certain installation status
@@ -87,12 +87,12 @@
     when(mockProcessManager.runSync(
       <String>[
         vswherePath,
-          '-format',
-          'json',
-          '-utf8',
-          '-latest',
-          ...?additionalArguments,
-          ...?requirementArguments,
+        '-format',
+        'json',
+        '-utf8',
+        '-latest',
+        ...?additionalArguments,
+        ...?requirementArguments,
       ],
       workingDirectory: anyNamed('workingDirectory'),
       environment: anyNamed('environment'),
@@ -415,7 +415,7 @@
         'installationVersion': '15.9.28307.665',
         'catalog': <String, dynamic>{
           'productDisplayVersion': '15.9.12',
-        }
+        },
       };
 
       setMockCompatibleVisualStudioInstallation(olderButCompleteVersionResponse);
diff --git a/packages/flutter_tools/test/integration.shard/test_driver.dart b/packages/flutter_tools/test/integration.shard/test_driver.dart
index 6a046b0..e2845eb 100644
--- a/packages/flutter_tools/test/integration.shard/test_driver.dart
+++ b/packages/flutter_tools/test/integration.shard/test_driver.dart
@@ -620,11 +620,11 @@
     Future<void> Function() beforeStart,
   }) async {
     await _setupProcess(<String>[
-        'test',
-        '--disable-service-auth-codes',
-        '--machine',
-        '-d',
-        'flutter-tester',
+      'test',
+      '--disable-service-auth-codes',
+      '--machine',
+      '-d',
+      'flutter-tester',
     ], script: testFile, withDebugger: withDebugger, pauseOnExceptions: pauseOnExceptions, pidFile: pidFile, beforeStart: beforeStart);
   }