[flutter_tools] fix windows vscode lookup (#56491)

packages/flutter_tools/test/general.shard/vscode/vscode_test.dart

diff --git a/packages/flutter_tools/test/general.shard/vscode_test.dart b/packages/flutter_tools/test/general.shard/vscode/vscode_test.dart
similarity index 94%
rename from packages/flutter_tools/test/general.shard/vscode_test.dart
rename to packages/flutter_tools/test/general.shard/vscode/vscode_test.dart
index 8e58859..25c0e5e 100644
--- a/packages/flutter_tools/test/general.shard/vscode_test.dart
+++ b/packages/flutter_tools/test/general.shard/vscode/vscode_test.dart
@@ -10,8 +10,8 @@
 import 'package:flutter_tools/src/globals.dart' as globals;
 import 'package:flutter_tools/src/vscode/vscode.dart';
 
-import '../src/common.dart';
-import '../src/context.dart';
+import '../../src/common.dart';
+import '../../src/context.dart';
 
 void main() {
   testUsingContext('VsCode.fromDirectory does not crash when packages.json is malformed', () {

packages/flutter_tools/test/general.shard/vscode/vscode_validator_test.dart

diff --git a/packages/flutter_tools/test/general.shard/vscode/vscode_validator_test.dart b/packages/flutter_tools/test/general.shard/vscode/vscode_validator_test.dart
new file mode 100644
index 0000000..78cdcb5
--- /dev/null
+++ b/packages/flutter_tools/test/general.shard/vscode/vscode_validator_test.dart
@@ -0,0 +1,22 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:file/memory.dart';
+import 'package:flutter_tools/src/base/file_system.dart';
+import 'package:flutter_tools/src/base/platform.dart';
+import 'package:flutter_tools/src/vscode/vscode.dart';
+
+import '../../src/common.dart';
+
+void main() {
+  testWithoutContext('VsCode search locations on windows supports an empty environment', () {
+    final FileSystem fileSystem = MemoryFileSystem.test(style: FileSystemStyle.windows);
+    final Platform platform = FakePlatform(
+      operatingSystem: 'windows',
+      environment: <String, String>{},
+    );
+
+    expect(VsCode.allInstalled(fileSystem, platform), isEmpty);
+  });
+}