Remove "unnecessary" imports in test/material (#75358)

packages/flutter/test/material/animated_icons_test.dart

@@ -7,7 +7,6 @@ import 'dart:math' as math show pi;
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
-import '../flutter_test_alternative.dart' show Fake;
 import '../widgets/semantics_tester.dart';
 
 class MockCanvas extends Fake implements Canvas {

packages/flutter/test/material/back_button_test.dart

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

packages/flutter/test/material/bottom_app_bar_theme_test.dart

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

packages/flutter/test/material/bottom_sheet_test.dart

@@ -4,8 +4,6 @@
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-import 'package:flutter/gestures.dart';
 
 import '../widgets/semantics_tester.dart';
 

packages/flutter/test/material/bottom_sheet_theme_test.dart

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

packages/flutter/test/material/button_style_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 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 

packages/flutter/test/material/card_test.dart

@@ -2,10 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/painting.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 import '../widgets/semantics_tester.dart';

packages/flutter/test/material/card_theme_test.dart

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

packages/flutter/test/material/chip_test.dart

@@ -6,7 +6,6 @@ import 'dart:ui' show window;
 
 import 'package:flutter/gestures.dart';
 import 'package:flutter/rendering.dart';
-import 'package:flutter/semantics.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';

packages/flutter/test/material/chip_theme_test.dart

@@ -8,7 +8,6 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/painting.dart';
 
 import '../rendering/mock_canvas.dart';
 

packages/flutter/test/material/dialog_test.dart

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

packages/flutter/test/material/divider_test.dart

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

packages/flutter/test/material/drawer_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 'package:flutter/foundation.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/flutter/test/material/dropdown_form_field_test.dart

@@ -7,7 +7,6 @@ import 'dart:ui' show window;
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 
 import '../rendering/mock_canvas.dart';
 

packages/flutter/test/material/dropdown_test.dart

@@ -6,8 +6,6 @@ import 'dart:math' as math;
 import 'dart:ui' show window;
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/foundation.dart';
-import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';

packages/flutter/test/material/expansion_tile_test.dart

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

packages/flutter/test/material/flexible_space_bar_stretch_mode_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 final Key blockKey = UniqueKey();

packages/flutter/test/material/floating_action_button_theme_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 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/flutter/test/material/ink_paint_test.dart

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