Cover last test/material tests with leak tracking. (#137004)

packages/flutter/test/material/input_date_picker_form_field_test.dart

@@ -381,8 +381,9 @@ void main() {
     });
   });
 
-  testWidgets('FocusNode can request focus', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('FocusNode can request focus', (WidgetTester tester) async {
     final FocusNode focusNode = FocusNode();
+    addTearDown(focusNode.dispose);
     await tester.pumpWidget(inputDatePickerField(
       focusNode: focusNode,
     ));

packages/flutter/test/material/search_view_theme_test.dart

@@ -196,21 +196,21 @@ void main() {
       expect(inputText.style.fontSize, headerTextStyle.fontSize);
     }
 
-    testWidgets('SearchView properties overrides defaults', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('SearchView properties overrides defaults', (WidgetTester tester) async {
       await tester.pumpWidget(buildFrame(useSearchViewProperties: true));
       await tester.tap(find.byIcon(Icons.search));
       await tester.pumpAndSettle(); // allow the animations to finish
       checkSearchView(tester);
     });
 
-    testWidgets('SearchView theme data overrides defaults', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('SearchView theme data overrides defaults', (WidgetTester tester) async {
       await tester.pumpWidget(buildFrame(searchViewThemeData: searchViewTheme));
       await tester.tap(find.byIcon(Icons.search));
       await tester.pumpAndSettle();
       checkSearchView(tester);
     });
 
-    testWidgets('Overall Theme SearchView theme overrides defaults', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Overall Theme SearchView theme overrides defaults', (WidgetTester tester) async {
       await tester.pumpWidget(buildFrame(overallTheme: searchViewTheme));
       await tester.tap(find.byIcon(Icons.search));
       await tester.pumpAndSettle();
@@ -219,7 +219,7 @@ void main() {
 
     // Same as the previous tests with empty SearchViewThemeData's instead of null.
 
-    testWidgets('SearchView properties overrides defaults, empty theme and overall theme', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('SearchView properties overrides defaults, empty theme and overall theme', (WidgetTester tester) async {
       await tester.pumpWidget(buildFrame(useSearchViewProperties: true,
         searchViewThemeData: const SearchViewThemeData(),
         overallTheme: const SearchViewThemeData()));
@@ -228,7 +228,7 @@ void main() {
       checkSearchView(tester);
     });
 
-    testWidgets('SearchView theme overrides defaults and overall theme', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('SearchView theme overrides defaults and overall theme', (WidgetTester tester) async {
       await tester.pumpWidget(buildFrame(searchViewThemeData: searchViewTheme,
           overallTheme: const SearchViewThemeData()));
       await tester.tap(find.byIcon(Icons.search));
@@ -236,7 +236,7 @@ void main() {
       checkSearchView(tester);
     });
 
-    testWidgets('Overall Theme SearchView theme overrides defaults and null theme', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Overall Theme SearchView theme overrides defaults and null theme', (WidgetTester tester) async {
       await tester.pumpWidget(buildFrame(overallTheme: searchViewTheme));
       await tester.tap(find.byIcon(Icons.search));
       await tester.pumpAndSettle(); // allow the animations to finish

packages/flutter/test/material/time_picker_theme_test.dart

@@ -404,7 +404,7 @@ void main() {
     expect(confirmButtonStyle.toString(), equalsIgnoringHashCodes(TextButton.styleFrom().toString()));
   });
 
-  testWidgets('Material2 - Passing no TimePickerThemeData uses defaults - input mode', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Material2 - Passing no TimePickerThemeData uses defaults - input mode', (WidgetTester tester) async {
     final ThemeData defaultTheme = ThemeData(useMaterial3: false);
     await tester.pumpWidget(_TimePickerLauncher(themeData: defaultTheme, entryMode: TimePickerEntryMode.input));
     await tester.tap(find.text('X'));
@@ -446,7 +446,7 @@ void main() {
     expect(confirmButtonStyle.toString(), equalsIgnoringHashCodes(TextButton.styleFrom().toString()));
   });
 
-  testWidgets('Material3 - Passing no TimePickerThemeData uses defaults - input mode', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Material3 - Passing no TimePickerThemeData uses defaults - input mode', (WidgetTester tester) async {
     final ThemeData defaultTheme = ThemeData(useMaterial3: true);
     await tester.pumpWidget(_TimePickerLauncher(themeData: defaultTheme, entryMode: TimePickerEntryMode.input));
     await tester.tap(find.text('X'));
@@ -737,7 +737,7 @@ void main() {
     expect(confirmButtonStyle.toString(), equalsIgnoringHashCodes(timePickerTheme.confirmButtonStyle.toString()));
   });
 
-  testWidgets('Time picker uses values from TimePickerThemeData with InputDecorationTheme - input mode', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Time picker uses values from TimePickerThemeData with InputDecorationTheme - input mode', (WidgetTester tester) async {
     final TimePickerThemeData timePickerTheme = _timePickerTheme(includeInputDecoration: true);
     final ThemeData theme = ThemeData(timePickerTheme: timePickerTheme);
     await tester.pumpWidget(_TimePickerLauncher(themeData: theme, entryMode: TimePickerEntryMode.input));
@@ -754,7 +754,7 @@ void main() {
     expect(hourDecoration.hintStyle, timePickerTheme.inputDecorationTheme!.hintStyle);
   });
 
-  testWidgets('Time picker uses values from TimePickerThemeData without InputDecorationTheme - input mode', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Time picker uses values from TimePickerThemeData without InputDecorationTheme - input mode', (WidgetTester tester) async {
     final TimePickerThemeData timePickerTheme = _timePickerTheme();
     final ThemeData theme = ThemeData(timePickerTheme: timePickerTheme);
     await tester.pumpWidget(_TimePickerLauncher(themeData: theme, entryMode: TimePickerEntryMode.input));

packages/flutter/test/material/tooltip_test.dart

@@ -1480,16 +1480,18 @@ void main() {
     semantics.dispose();
   });
 
-  testWidgets('Tooltip semantics does not merge into child', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Tooltip semantics does not merge into child', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
     final GlobalKey<TooltipState> tooltipKey = GlobalKey<TooltipState>();
+    late final OverlayEntry entry;
+    addTearDown(() => entry..remove()..dispose());
 
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
         child: Overlay(
           initialEntries: <OverlayEntry>[
-            OverlayEntry(
+            entry = OverlayEntry(
               builder: (BuildContext context) {
                 return ListView(
                   children: <Widget>[