Remove "unnecessary" imports in flutter_test (#76157)

packages/flutter_test/lib/src/_binding_io.dart

@@ -9,7 +9,6 @@ import 'dart:typed_data';
 
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
-import 'package:meta/meta.dart';
 import 'package:path/path.dart' as path;
 // ignore: deprecated_member_use
 import 'package:test_api/test_api.dart' as test_package;

packages/flutter_test/lib/src/accessibility.dart

@@ -8,7 +8,6 @@ import 'dart:typed_data';
 import 'dart:ui' as ui;
 
 import 'package:flutter/rendering.dart';
-import 'package:flutter/semantics.dart';
 import 'package:flutter/widgets.dart';
 
 import 'finders.dart';

packages/flutter_test/lib/src/binding.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:typed_data';
 import 'dart:ui' as ui;
 
 import 'package:clock/clock.dart';

packages/flutter_test/lib/src/finders.dart

@@ -5,7 +5,6 @@
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart' show Tooltip;
 import 'package:flutter/widgets.dart';
-import 'package:meta/meta.dart';
 
 import 'all_elements.dart';
 

packages/flutter_test/lib/src/test_compat.dart

@@ -6,7 +6,6 @@ import 'dart:async';
 
 import 'package:meta/meta.dart';
 import 'package:test_api/src/backend/declarer.dart'; // ignore: implementation_imports
-import 'package:test_api/src/frontend/timeout.dart'; // ignore: implementation_imports
 import 'package:test_api/src/backend/group.dart'; // ignore: implementation_imports
 import 'package:test_api/src/backend/group_entry.dart'; // ignore: implementation_imports
 import 'package:test_api/src/backend/test.dart'; // ignore: implementation_imports

packages/flutter_test/lib/src/test_text_input.dart

@@ -3,13 +3,11 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:typed_data';
 
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/foundation.dart';
 
-import 'widget_tester.dart';
 
 export 'package:flutter/services.dart' show TextEditingValue, TextInputAction;
 

packages/flutter_test/lib/src/widget_tester.dart

@@ -9,7 +9,6 @@ import 'package:flutter/material.dart' show Tooltip;
 import 'package:flutter/rendering.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:meta/meta.dart';
 
 // ignore: deprecated_member_use

packages/flutter_test/test/controller_test.dart

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

packages/flutter_test/test/finders_test.dart

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

packages/flutter_test/test/live_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:ui';
-
 import 'package:flutter/material.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/flutter_test/test/live_widget_controller_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:ui';
-
 import 'package:flutter/material.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/scheduler.dart';

packages/flutter_test/test/restoration_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/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter_test/test/test_async_utils_test.dart

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

packages/flutter_test/test/test_default_binary_messenger_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' as ui;
 
 import 'package:flutter/services.dart';

packages/flutter_test/test/widget_tester_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:async';
 import 'dart:io';
-import 'dart:ui';
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/cupertino.dart';