Remove "unnecessary" imports in test/widgets (#75796)

packages/flutter/test/widgets/align_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/widgets/animated_align_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/widgets/animated_cross_fade_test.dart

@@ -4,7 +4,6 @@
 
 import 'package:flutter/scheduler.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/widgets/animated_padding_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/widgets/animated_positioned_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/widgets/app_test.dart

@@ -5,7 +5,6 @@
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 class TestIntent extends Intent {

packages/flutter/test/widgets/aspect_ratio_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 Future<Size> _getSize(WidgetTester tester, BoxConstraints constraints, double aspectRatio) async {

packages/flutter/test/widgets/autocomplete_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 class User {

packages/flutter/test/widgets/autofill_group_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 final Matcher _matchesCommit = isMethodCall('TextInput.finishAutofillContext', arguments: true);

packages/flutter/test/widgets/backdrop_filter_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/material.dart';
 

packages/flutter/test/widgets/basic_test.dart

@@ -6,9 +6,7 @@ import 'dart:math' as math;
 import 'package:flutter/gestures.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter/rendering.dart';
-import '../flutter_test_alternative.dart' show Fake;
 
 void main() {
   group('PhysicalShape', () {

packages/flutter/test/widgets/binding_attach_root_widget_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:typed_data';
-
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/flutter/test/widgets/binding_cannot_schedule_frame_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:typed_data';
-
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/flutter/test/widgets/binding_frame_scheduling_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:typed_data';
 import 'dart:ui' show window;
 
 import 'package:flutter_test/flutter_test.dart';

packages/flutter/test/widgets/binding_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:typed_data';
-
 import 'package:flutter/foundation.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/services.dart';

packages/flutter/test/widgets/box_decoration_test.dart

@@ -9,8 +9,6 @@ import 'dart:ui' as ui show Image;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/painting.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 import '../image_data.dart';
@@ -556,4 +554,4 @@ Future<void> main() async {
     await tester.tapAt(topLeftOutside);
     expect(itemsTapped, <int>[1,1,1,1,1],reason: 'top left tapped');
   });
-}
\ No newline at end of file
+}

packages/flutter/test/widgets/composited_transform_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/widgets/container_test.dart

@@ -4,9 +4,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/widgets.dart';
 
-import '../flutter_test_alternative.dart' show Fake;
 import '../rendering/mock_canvas.dart';
 
 void main() {

packages/flutter/test/widgets/coordinates_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/widgets/custom_paint_test.dart

@@ -6,8 +6,6 @@ import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
-import '../flutter_test_alternative.dart' show Fake;
-
 class TestCustomPainter extends CustomPainter {
   TestCustomPainter({ required this.log, this.name });
 

packages/flutter/test/widgets/custom_single_child_layout_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 class TestSingleChildLayoutDelegate extends SingleChildLayoutDelegate {

packages/flutter/test/widgets/default_text_height_behavior_test.dart

@@ -2,11 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui' show TextHeightBehavior;
-
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/widgets.dart';
-import 'package:flutter/painting.dart';
 
 void main() {
   testWidgets('Text widget parameter takes precedence over DefaultTextHeightBehavior', (WidgetTester tester) async {

packages/flutter/test/widgets/default_text_style_test.dart

@@ -6,7 +6,6 @@ import 'dart:ui' as ui show TextHeightBehavior;
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/widgets.dart';
-import 'package:flutter/painting.dart';
 
 void main() {
   testWidgets('DefaultTextStyle changes propagate to Text', (WidgetTester tester) async {

packages/flutter/test/widgets/dismissible_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/gestures.dart' show DragStartBehavior;
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter/test/widgets/draggable_scrollable_sheet_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/foundation.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter/test/widgets/drawer_test.dart

@@ -5,10 +5,8 @@
 import 'dart:ui';
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter/gestures.dart' show DragStartBehavior;
 
 import 'semantics_tester.dart';

packages/flutter/test/widgets/dual_transition_builder_test.dart

@@ -4,9 +4,6 @@
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
-import 'package:flutter/src/widgets/dual_transition_builder.dart';
 
 void main() {
   testWidgets('runs animations', (WidgetTester tester) async {