Updated tests in material/bottom_navigation_bar_test.dart (#66670)

diff --git a/packages/flutter/test/cupertino/bottom_tab_bar_test.dart b/packages/flutter/test/cupertino/bottom_tab_bar_test.dart
index 454f917..ac83d6d 100644
--- a/packages/flutter/test/cupertino/bottom_tab_bar_test.dart
+++ b/packages/flutter/test/cupertino/bottom_tab_bar_test.dart
@@ -35,7 +35,7 @@
         items: <BottomNavigationBarItem>[
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 1'),
+            label: 'Tab 1',
           ),
         ],
       ));
@@ -53,11 +53,11 @@
         items: <BottomNavigationBarItem>[
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 1'),
+            label: 'Tab 1',
           ),
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 2'),
+            label: 'Tab 2',
           ),
         ],
         currentIndex: 1,
@@ -119,11 +119,11 @@
         items: <BottomNavigationBarItem>[
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 1'),
+            label: 'Tab 1',
           ),
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 2'),
+            label: 'Tab 2',
           ),
         ],
         currentIndex: 1,
@@ -160,11 +160,11 @@
           items: <BottomNavigationBarItem>[
             BottomNavigationBarItem(
               icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-              title: const Text('Tab 1'),
+              label: 'Tab 1',
             ),
             BottomNavigationBarItem(
               icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-              title: const Text('Tab 2'),
+              label: 'Tab 2',
             ),
           ],
           currentIndex: 1,
@@ -197,11 +197,11 @@
           items: <BottomNavigationBarItem>[
             BottomNavigationBarItem(
               icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-              title: const Text('Tab 1'),
+              label: 'Tab 1',
             ),
             BottomNavigationBarItem(
               icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-              title: const Text('Tab 2'),
+              label: 'Tab 2',
             ),
           ],
           currentIndex: 1,
@@ -228,11 +228,11 @@
           items: <BottomNavigationBarItem>[
             BottomNavigationBarItem(
               icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-              title: const Text('Tab 1'),
+              label: 'Tab 1',
             ),
             BottomNavigationBarItem(
               icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-              title: const Text('Tab 2'),
+              label: 'Tab 2',
             ),
           ],
           currentIndex: 1,
@@ -264,12 +264,12 @@
         items: <BottomNavigationBarItem>[
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 1'),
+            label: 'Tab 1',
           ),
           BottomNavigationBarItem(
             icon: ImageIcon(inactiveIcon),
             activeIcon: ImageIcon(activeIcon),
-            title: const Text('Tab 2'),
+            label: 'Tab 2',
           ),
         ],
         currentIndex: 1,
@@ -292,11 +292,11 @@
       items: <BottomNavigationBarItem>[
         BottomNavigationBarItem(
           icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-          title: const Text('Aka'),
+          label: 'Aka',
         ),
         BottomNavigationBarItem(
           icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-          title: const Text('Shiro'),
+          label: 'Shiro',
         ),
       ],
     );
@@ -333,11 +333,11 @@
         items: <BottomNavigationBarItem>[
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 1'),
+            label: 'Tab 1',
           ),
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 2'),
+            label: 'Tab 2',
           ),
         ],
       ),
@@ -351,11 +351,11 @@
         items: <BottomNavigationBarItem>[
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 1'),
+            label: 'Tab 1',
           ),
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 2'),
+            label: 'Tab 2',
           ),
         ],
         backgroundColor: const Color(0xFFFFFFFF), // Opaque white.
@@ -374,11 +374,11 @@
         items: <BottomNavigationBarItem>[
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 1'),
+            label: 'Tab 1',
           ),
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 2'),
+            label: 'Tab 2',
           ),
         ],
         currentIndex: 1,
@@ -399,11 +399,11 @@
         items: <BottomNavigationBarItem>[
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 1'),
+            label: 'Tab 1',
           ),
           BottomNavigationBarItem(
             icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-            title: const Text('Tab 2'),
+            label: 'Tab 2',
           ),
         ],
       ),
@@ -439,7 +439,7 @@
                 icon: ImageIcon(
                   MemoryImage(Uint8List.fromList(kTransparentImage)),
                 ),
-                title: const Text('Tab 1'),
+                label: 'Tab 1',
               ),
               BottomNavigationBarItem(
                 icon: ImageIcon(
@@ -471,13 +471,13 @@
                 icon: ImageIcon(
                   MemoryImage(Uint8List.fromList(kTransparentImage)),
                 ),
-                title: const Text('Tab 1'),
+                label: 'Tab 1',
               ),
               BottomNavigationBarItem(
                 icon: ImageIcon(
                   MemoryImage(Uint8List.fromList(kTransparentImage)),
                 ),
-                title: const Text('Tab 2'),
+                label: 'Tab 2',
               ),
             ],
           ),
@@ -497,13 +497,13 @@
                 icon: ImageIcon(
                   MemoryImage(Uint8List.fromList(kTransparentImage)),
                 ),
-                title: const Text('Tab 1'),
+                label: 'Tab 1',
               ),
               BottomNavigationBarItem(
                 icon: ImageIcon(
                   MemoryImage(Uint8List.fromList(kTransparentImage)),
                 ),
-                title: const Text('Tab 2'),
+                label: 'Tab 2',
               ),
             ],
             backgroundColor: const Color(0xFFFFFFFF), // Opaque white.
diff --git a/packages/flutter/test/cupertino/material/tab_scaffold_test.dart b/packages/flutter/test/cupertino/material/tab_scaffold_test.dart
index f484043..1939995 100644
--- a/packages/flutter/test/cupertino/material/tab_scaffold_test.dart
+++ b/packages/flutter/test/cupertino/material/tab_scaffold_test.dart
@@ -287,7 +287,7 @@
               tabBar: CupertinoTabBar(
                 items: List<BottomNavigationBarItem>.generate(
                   10,
-                  (int i) => BottomNavigationBarItem(icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))), title: Text('$i')),
+                  (int i) => BottomNavigationBarItem(icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))), label: '$i'),
                 ),
               ),
               tabBuilder: (BuildContext context, int index) => const Text('content'),
@@ -325,11 +325,11 @@
     items: <BottomNavigationBarItem>[
       BottomNavigationBarItem(
         icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-        title: const Text('Tab 1'),
+        label: 'Tab 1',
       ),
       BottomNavigationBarItem(
         icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-        title: const Text('Tab 2'),
+        label: 'Tab 2',
       ),
     ],
     currentIndex: selectedTab,
diff --git a/packages/flutter/test/cupertino/nav_bar_transition_test.dart b/packages/flutter/test/cupertino/nav_bar_transition_test.dart
index dfa955d..3cfdbbe 100644
--- a/packages/flutter/test/cupertino/nav_bar_transition_test.dart
+++ b/packages/flutter/test/cupertino/nav_bar_transition_test.dart
@@ -425,11 +425,11 @@
             items: const <BottomNavigationBarItem>[
               BottomNavigationBarItem(
                 icon: Icon(CupertinoIcons.search),
-                title: Text('Tab 1'),
+                label: 'Tab 1',
               ),
               BottomNavigationBarItem(
                 icon: Icon(CupertinoIcons.settings),
-                title: Text('Tab 2'),
+                label: 'Tab 2',
               ),
             ],
           ),
diff --git a/packages/flutter/test/cupertino/scaffold_test.dart b/packages/flutter/test/cupertino/scaffold_test.dart
index 3986fcd..dc09eee 100644
--- a/packages/flutter/test/cupertino/scaffold_test.dart
+++ b/packages/flutter/test/cupertino/scaffold_test.dart
@@ -211,11 +211,11 @@
             items: <BottomNavigationBarItem>[
               BottomNavigationBarItem(
                 icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-                title: const Text('Tab 1'),
+                label: 'Tab 1',
               ),
               BottomNavigationBarItem(
                 icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-                title: const Text('Tab 2'),
+                label: 'Tab 2',
               ),
             ],
           ),
@@ -251,11 +251,11 @@
               items: <BottomNavigationBarItem>[
                 BottomNavigationBarItem(
                   icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-                  title: const Text('Tab 1'),
+                  label: 'Tab 1',
                 ),
                 BottomNavigationBarItem(
                   icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-                  title: const Text('Tab 2'),
+                  label: 'Tab 2',
                 ),
               ],
             ),
@@ -301,11 +301,11 @@
             items: <BottomNavigationBarItem>[
               BottomNavigationBarItem(
                 icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-                title: const Text('Tab 1'),
+                label: 'Tab 1',
               ),
               BottomNavigationBarItem(
                 icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-                title: const Text('Tab 2'),
+                label: 'Tab 2',
               ),
             ],
           ),
diff --git a/packages/flutter/test/cupertino/tab_scaffold_test.dart b/packages/flutter/test/cupertino/tab_scaffold_test.dart
index c4d4d87..fc32365 100644
--- a/packages/flutter/test/cupertino/tab_scaffold_test.dart
+++ b/packages/flutter/test/cupertino/tab_scaffold_test.dart
@@ -45,7 +45,7 @@
   BottomNavigationBarItem tabGenerator(int index) {
     return BottomNavigationBarItem(
       icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-      title: Text('Tab ${index + 1}'),
+      label: 'Tab ${index + 1}',
     );
   }
 
@@ -1079,7 +1079,7 @@
               tabBar: CupertinoTabBar(
                 items: List<BottomNavigationBarItem>.generate(
                   10,
-                  (int i) => BottomNavigationBarItem(icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))), title: Text('$i')),
+                  (int i) => BottomNavigationBarItem(icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))), label: '$i'),
                 ),
               ),
               tabBuilder: (BuildContext context, int index) => const Text('content'),
@@ -1221,11 +1221,11 @@
     items: <BottomNavigationBarItem>[
       BottomNavigationBarItem(
         icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-        title: const Text('Tab 1'),
+        label: 'Tab 1',
       ),
       BottomNavigationBarItem(
         icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
-        title: const Text('Tab 2'),
+        label: 'Tab 2',
       ),
     ],
     currentIndex: selectedTab,