Fix typos (#82589)

dev/bots/analyze_sample_code.dart

@@ -164,7 +164,7 @@ class SampleCheckerException implements Exception {
 class SampleChecker {
   /// Creates a [SampleChecker].
   ///
-  /// The positional argument is the path to the the package directory for the
+  /// The positional argument is the path to the package directory for the
   /// flutter package within the Flutter root dir.
   ///
   /// The optional `tempDirectory` argument supplies the location for the

dev/devicelab/lib/framework/cocoon.dart

@@ -29,7 +29,7 @@ typedef ProcessRunSync = ProcessResult Function(
 /// Class for test runner to interact with Flutter's infrastructure service, Cocoon.
 ///
 /// Cocoon assigns bots to run these devicelab tasks on real devices.
-/// To retrieve these results, the test runner needs to send results back so so the database can be updated.
+/// To retrieve these results, the test runner needs to send results back so the database can be updated.
 class Cocoon {
   Cocoon({
     String serviceAccountTokenPath,

dev/integration_tests/flutter_gallery/lib/demo/animation/home.dart

@@ -288,7 +288,7 @@ class _AllSectionsView extends AnimatedWidget {
   Widget _build(BuildContext context, BoxConstraints constraints) {
     final Size size = constraints.biggest;
 
-    // The layout's progress from from a column to a row. Its value is
+    // The layout's progress from a column to a row. Its value is
     // 0.0 when size.height equals the maxHeight, 1.0 when the size.height
     // equals the midHeight.
     final double tColumnToRow =
@@ -296,7 +296,7 @@ class _AllSectionsView extends AnimatedWidget {
              (maxHeight! - midHeight!)).clamp(0.0, 1.0);
 
 
-    // The layout's progress from from the midHeight row layout to
+    // The layout's progress from the midHeight row layout to
     // a minHeight row layout. Its value is 0.0 when size.height equals
     // midHeight and 1.0 when size.height equals minHeight.
     final double tCollapsed =

dev/tools/gen_keycodes/data/keyboard_key.tmpl

@@ -38,7 +38,7 @@ abstract class KeyboardKey with Diagnosticable {
 /// As an example, if you wanted to implement an app where the "Q" key "quit"
 /// something, you'd want to look at the logical key to detect this, since you
 /// would like to have it match the key with "Q" on it, instead of always
-/// looking for "the key next next to the TAB key", since on a French keyboard,
+/// looking for "the key next to the TAB key", since on a French keyboard,
 /// the key next to the TAB key has an "A" on it.
 ///
 /// Conversely, if you wanted a game where the key next to the CAPS LOCK (the
@@ -393,7 +393,7 @@ class LogicalKeyboardKey extends KeyboardKey {
 /// Conversely, if you wanted to implement an app where the "Q" key "quit"
 /// something, you'd want to look at the logical key to detect this, since you
 /// would like to have it match the key with "Q" on it, instead of always
-/// looking for "the key next next to the TAB key", since on a French keyboard,
+/// looking for "the key next to the TAB key", since on a French keyboard,
 /// the key next to the TAB key has an "A" on it.
 ///
 /// {@tool dartpad --template=stateful_widget_scaffold}

dev/tools/gen_keycodes/lib/physical_key_data.dart

@@ -87,7 +87,7 @@ class PhysicalKeyData {
   /// # key 101 "KEY_LINEFEED"
   /// key 477   F12               FUNCTION
   ///
-  /// We parse the commented out lines as well as the non-commented lines, so so
+  /// We parse the commented out lines as well as the non-commented lines, so
   /// that we can get names for all of the available scan codes, not just ones
   /// defined for the generic profile.
   ///

packages/flutter/lib/src/animation/curves.dart

@@ -1442,7 +1442,7 @@ class Curves {
   /// {@animation 464 192 https://flutter.github.io/assets-for-api-docs/assets/animation/curve_ease_in.mp4}
   static const Cubic easeIn = Cubic(0.42, 0.0, 1.0, 1.0);
 
-  /// A cubic animation curve that starts starts slowly and ends linearly.
+  /// A cubic animation curve that starts slowly and ends linearly.
   ///
   /// The symmetric animation to [linearToEaseOut].
   ///

packages/flutter/lib/src/cupertino/icons.dart

@@ -766,7 +766,7 @@ class CupertinoIcons {
   ///  * [time_solid], which is similar, but without dots on the clock face.
   static const IconData clock_solid = IconData(0xf4bf, fontFamily: iconFont, fontPackage: iconFontPackage);
 
-  /// <i class='cupertino-icons md-36'>clock</i> &#x2014; Cupertino icon for a circle with with a 90 degree angle shape in the center, resembling a clock with hands showing 09:00.
+  /// <i class='cupertino-icons md-36'>clock</i> &#x2014; Cupertino icon for a circle with a 90 degree angle shape in the center, resembling a clock with hands showing 09:00.
   /// This is the same icon as [clock] in cupertino_icons 1.0.0+.
   ///
   /// See also:
@@ -776,7 +776,7 @@ class CupertinoIcons {
   ///  * [clock_solid], which is similar, but filled in and with dots on the clock face.
   static const IconData time = IconData(0xf402, fontFamily: iconFont, fontPackage: iconFontPackage);
 
-  /// <i class='cupertino-icons md-36'>clock_fill</i> &#x2014; Cupertino icon for a filled in circle with with a 90 degree angle shape in the center, resembling a clock with hands showing 09:00.
+  /// <i class='cupertino-icons md-36'>clock_fill</i> &#x2014; Cupertino icon for a filled in circle with a 90 degree angle shape in the center, resembling a clock with hands showing 09:00.
   /// This is the same icon as [clock_fill] and [clock_solid] in cupertino_icons 1.0.0+.
   ///
   /// See also:

packages/flutter/lib/src/foundation/diagnostics.dart

@@ -32,7 +32,7 @@ enum DiagnosticLevel {
   /// the diagnostics to be formatted consistently with other diagnostics and
   /// they should expect them to sometimes be misleading. For example,
   /// [FlagProperty] and [ObjectFlagProperty] have uglier formatting when the
-  /// property `value` does does not match a value with a custom flag
+  /// property `value` does not match a value with a custom flag
   /// description. An example of a misleading diagnostic is a diagnostic for
   /// a property that has no effect because some other property of the object is
   /// set in a way that causes the hidden property to have no effect.

packages/flutter/lib/src/material/elevated_button.dart

@@ -237,7 +237,7 @@ class ElevatedButton extends ButtonStyleButton {
   /// "Theme.foo" is shorthand for `Theme.of(context).foo`. Color
   /// scheme values like "onSurface(0.38)" are shorthand for
   /// `onSurface.withOpacity(0.38)`. [MaterialStateProperty] valued
-  /// properties that are not followed by by a sublist have the same
+  /// properties that are not followed by a sublist have the same
   /// value for all states, otherwise the values are as specified for
   /// each state, and "others" means all other states.
   ///

packages/flutter/lib/src/material/material_localizations.dart

@@ -448,7 +448,7 @@ abstract class MaterialLocalizations {
   /// Tooltip used to put the time picker into [TimePickerEntryMode.input].
   String get inputTimeModeButtonLabel;
 
-  /// The semantics label used to indicate which account is signed in in the
+  /// The semantics label used to indicate which account is signed in the
   /// [UserAccountsDrawerHeader] widget.
   String get signedInLabel;
 

packages/flutter/lib/src/material/navigation_rail.dart

@@ -112,7 +112,7 @@ class NavigationRail extends StatefulWidget {
   /// [minWidth].
   ///
   /// The argument [extended] must not be null. [extended] can only be set to
-  /// true when when the [labelType] is null or [NavigationRailLabelType.none].
+  /// true when the [labelType] is null or [NavigationRailLabelType.none].
   ///
   /// If [backgroundColor], [elevation], [groupAlignment], [labelType],
   /// [unselectedLabelTextStyle], [selectedLabelTextStyle],

packages/flutter/lib/src/material/outlined_button.dart

@@ -218,7 +218,7 @@ class OutlinedButton extends ButtonStyleButton {
   /// "Theme.foo" is shorthand for `Theme.of(context).foo`. Color
   /// scheme values like "onSurface(0.38)" are shorthand for
   /// `onSurface.withOpacity(0.38)`. [MaterialStateProperty] valued
-  /// properties that are not followed by by a sublist have the same
+  /// properties that are not followed by a sublist have the same
   /// value for all states, otherwise the values are as specified for
   /// each state and "others" means all other states.
   ///

packages/flutter/lib/src/material/paginated_data_table.dart

@@ -26,7 +26,7 @@ import 'theme.dart';
 /// A paginated data table shows [rowsPerPage] rows of data per page and
 /// provides controls for showing other pages.
 ///
-/// Data is read lazily from from a [DataTableSource]. The widget is presented
+/// Data is read lazily from a [DataTableSource]. The widget is presented
 /// as a [Card].
 ///
 /// See also:

packages/flutter/lib/src/material/scaffold.dart

@@ -1505,7 +1505,7 @@ class Scaffold extends StatefulWidget {
   /// This property is often useful when the [bottomNavigationBar] has
   /// a non-rectangular shape, like [CircularNotchedRectangle], which
   /// adds a [FloatingActionButton] sized notch to the top edge of the bar.
-  /// In this case specifying `extendBody: true` ensures that that scaffold's
+  /// In this case specifying `extendBody: true` ensures that scaffold's
   /// body will be visible through the bottom navigation bar's notch.
   ///
   /// See also:

packages/flutter/lib/src/material/slider_theme.dart

@@ -2004,7 +2004,7 @@ class RoundedRectRangeSliderTrackShape extends RangeSliderTrackShape {
 ///   [SliderThemeData.disabledActiveTrackColor],
 ///   [SliderThemeData.disabledInactiveTrackColor].
 ///
-/// ![A slider widget, consisting of 5 divisions and showing the round slider slider tick mark shape.]
+/// ![A slider widget, consisting of 5 divisions and showing the round slider tick mark shape.]
 /// (https://flutter.github.io/assets-for-api-docs/assets/material/rounded_slider_tick_mark_shape.png)
 ///
 /// See also:

packages/flutter/lib/src/material/text_button.dart

@@ -262,7 +262,7 @@ class TextButton extends ButtonStyleButton {
   /// `Theme.of(context).foo`. Color scheme values like
   /// "onSurface(0.38)" are shorthand for
   /// `onSurface.withOpacity(0.38)`. [MaterialStateProperty] valued
-  /// properties that are not followed by by a sublist have the same
+  /// properties that are not followed by a sublist have the same
   /// value for all states, otherwise the values are as specified for
   /// each state and "others" means all other states.
   ///

packages/flutter/lib/src/painting/edge_insets.dart

@@ -158,7 +158,7 @@ abstract class EdgeInsetsGeometry {
     );
   }
 
-  /// Returns the a new [EdgeInsetsGeometry] object with all values greater than
+  /// Returns a new [EdgeInsetsGeometry] object with all values greater than
   /// or equal to `min`, and less than or equal to `max`.
   EdgeInsetsGeometry clamp(EdgeInsetsGeometry min, EdgeInsetsGeometry max) {
     return _MixedEdgeInsets.fromLRSETB(

packages/flutter/lib/src/rendering/box.dart

@@ -1860,7 +1860,7 @@ abstract class RenderBox extends RenderObject {
   ///
   /// In such cases, it may be impossible (or at least impractical) to actually
   /// return a valid answer. In such cases, the function should call
-  /// [debugCannotComputeDryLayout] from within an assert and and return a dummy
+  /// [debugCannotComputeDryLayout] from within an assert and return a dummy
   /// value of `const Size(0, 0)`.
   @protected
   Size computeDryLayout(BoxConstraints constraints) {

packages/flutter/lib/src/rendering/flow.dart

@@ -70,7 +70,7 @@ abstract class FlowDelegate {
   /// respecting the constraints.
   ///
   /// If this function depends on information other than the given constraints,
-  /// override [shouldRelayout] to indicate when when the container should
+  /// override [shouldRelayout] to indicate when the container should
   /// relayout.
   Size getSize(BoxConstraints constraints) => constraints.biggest;
 
@@ -85,7 +85,7 @@ abstract class FlowDelegate {
   /// let them be larger or smaller than 100.0 by 100.0.
   ///
   /// If this function depends on information other than the given constraints,
-  /// override [shouldRelayout] to indicate when when the container should
+  /// override [shouldRelayout] to indicate when the container should
   /// relayout.
   BoxConstraints getConstraintsForChild(int i, BoxConstraints constraints) => constraints;
 
@@ -103,7 +103,7 @@ abstract class FlowDelegate {
   /// matrices for the children.
   ///
   /// If this function depends on information other than the given context,
-  /// override [shouldRepaint] to indicate when when the container should
+  /// override [shouldRepaint] to indicate when the container should
   /// relayout.
   void paintChildren(FlowPaintingContext context);
 

packages/flutter/lib/src/rendering/object.dart

@@ -2439,7 +2439,7 @@ abstract class RenderObject extends AbstractNode with DiagnosticableTreeMixin im
   /// or just after the trailing edge. These nodes have to be included in the
   /// semantics tree to implement implicit accessibility scrolling on iOS where
   /// the viewport scrolls implicitly when moving the accessibility focus from
-  /// a the last visible node in the viewport to the first hidden one.
+  /// the last visible node in the viewport to the first hidden one.
   ///
   /// See also:
   ///

packages/flutter/lib/src/rendering/sliver.dart

@@ -919,7 +919,7 @@ class SliverHitTestEntry extends HitTestEntry {
 class SliverLogicalParentData extends ParentData {
   /// The position of the child relative to the zero scroll offset.
   ///
-  /// The number of pixels from from the zero scroll offset of the parent sliver
+  /// The number of pixels from the zero scroll offset of the parent sliver
   /// (the line at which its [SliverConstraints.scrollOffset] is zero) to the
   /// side of the child closest to that offset. A [layoutOffset] can be null
   /// when it cannot be determined. The value will be set after layout.

packages/flutter/lib/src/services/keyboard_key.dart

@@ -38,7 +38,7 @@ abstract class KeyboardKey with Diagnosticable {
 /// As an example, if you wanted to implement an app where the "Q" key "quit"
 /// something, you'd want to look at the logical key to detect this, since you
 /// would like to have it match the key with "Q" on it, instead of always
-/// looking for "the key next next to the TAB key", since on a French keyboard,
+/// looking for "the key next to the TAB key", since on a French keyboard,
 /// the key next to the TAB key has an "A" on it.
 ///
 /// Conversely, if you wanted a game where the key next to the CAPS LOCK (the
@@ -3524,7 +3524,7 @@ class LogicalKeyboardKey extends KeyboardKey {
 /// Conversely, if you wanted to implement an app where the "Q" key "quit"
 /// something, you'd want to look at the logical key to detect this, since you
 /// would like to have it match the key with "Q" on it, instead of always
-/// looking for "the key next next to the TAB key", since on a French keyboard,
+/// looking for "the key next to the TAB key", since on a French keyboard,
 /// the key next to the TAB key has an "A" on it.
 ///
 /// {@tool dartpad --template=stateful_widget_scaffold}

packages/flutter/lib/src/services/mouse_cursor.dart

@@ -345,7 +345,7 @@ class _SystemMouseCursorSession extends MouseCursorSession {
 /// I-beam, etc.
 ///
 /// An instance of [SystemMouseCursor] refers to one cursor from each platform
-/// that represents the same concept, such as being text text, being clickable,
+/// that represents the same concept, such as being text, being clickable,
 /// or being a forbidden operation. Since the set of system cursors supported by
 /// each platform varies, multiple instances can correspond to the same system
 /// cursor.

packages/flutter/lib/src/services/raw_keyboard_linux.dart

@@ -155,7 +155,7 @@ abstract class KeyHelper {
   /// The numpad key from the specific key code mapping.
   LogicalKeyboardKey? numpadKey(int keyCode);
 
-  /// The logical key key from the specific key code mapping.
+  /// The logical key from the specific key code mapping.
   LogicalKeyboardKey? logicalKey(int keyCode);
 }
 

packages/flutter/lib/src/services/restoration.dart

@@ -60,7 +60,7 @@ typedef _BucketVisitor = void Function(RestorationBucket bucket);
 /// to the notification, listeners must stop using the old bucket and restore
 /// their state from the information in the new [rootBucket].
 ///
-/// Same platforms restrict the size of the restoration data. Therefore, the
+/// Some platforms restrict the size of the restoration data. Therefore, the
 /// data stored in the buckets should be as small as possible while still
 /// allowing the app to restore its current state from it. Data that can be
 /// retrieved from other services (e.g. a database or a web server) should not

packages/flutter/lib/src/widgets/app.dart

@@ -823,14 +823,14 @@ class WidgetsApp extends StatefulWidget {
   /// [localeListResolutionCallback]. If the callback or result is null, it will
   /// fallback to trying the [localeResolutionCallback]. If both
   /// [localeResolutionCallback] and [localeListResolutionCallback] are left
-  /// null or fail to resolve (return null), the a basic fallback algorithm will
+  /// null or fail to resolve (return null), basic fallback algorithm will
   /// be used.
   ///
   /// The priority of each available fallback is:
   ///
-  ///  1. [localeListResolutionCallback] is attempted first.
-  ///  1. [localeResolutionCallback] is attempted second.
-  ///  1. Flutter's basic resolution algorithm, as described in
+  ///  1. [localeListResolutionCallback] is attempted.
+  ///  2. [localeResolutionCallback] is attempted.
+  ///  3. Flutter's basic resolution algorithm, as described in
   ///     [supportedLocales], is attempted last.
   ///
   /// Properly localized projects should provide a more advanced algorithm than

packages/flutter/lib/src/widgets/basic.dart

@@ -6165,7 +6165,7 @@ class RawImage extends LeafRenderObjectWidget {
 /// See also:
 ///
 ///  * [AssetBundle], the interface for asset bundles.
-///  * [rootBundle], the default default asset bundle.
+///  * [rootBundle], the default asset bundle.
 class DefaultAssetBundle extends InheritedWidget {
   /// Creates a widget that determines the default asset bundle for its descendants.
   ///

packages/flutter/lib/src/widgets/editable_text.dart

@@ -228,8 +228,8 @@ class TextEditingController extends ValueNotifier<TextEditingValue> {
   /// in a separate statement. To change both the [text] and the [selection]
   /// change the controller's [value].
   ///
-  /// If the new selection if of non-zero length, or is outside the composing
-  /// range, the composing composing range is cleared.
+  /// If the new selection is of non-zero length, or is outside the composing
+  /// range, the composing range is cleared.
   set selection(TextSelection newSelection) {
     if (!isSelectionWithinTextBounds(newSelection))
       throw FlutterError('invalid text selection: $newSelection');

packages/flutter/lib/src/widgets/inherited_theme.dart

@@ -44,7 +44,7 @@ import 'framework.dart';
 ///     final NavigatorState navigator = Navigator.of(context);
 ///     // This InheritedTheme.capture() saves references to themes that are
 ///     // found above the context provided to this widget's build method
-///     // excluding themes are are found above the navigator. Those themes do
+///     // excluding themes are found above the navigator. Those themes do
 ///     // not have to be captured, because they will already be visible from
 ///     // the new route pushed onto said navigator.
 ///     // Themes are captured outside of the route's builder because when the

packages/flutter/lib/src/widgets/routes.dart

@@ -377,7 +377,7 @@ abstract class TransitionRoute<T> extends OverlayRoute<T> {
   ///
   /// If false, this route's [ModalRoute.buildTransitions] `secondaryAnimation` parameter
   /// value will be [kAlwaysDismissedAnimation]. In other words, this route
-  /// will not animate when when [nextRoute] is pushed on top of it or when
+  /// will not animate when [nextRoute] is pushed on top of it or when
   /// [nextRoute] is popped off of it.
   ///
   /// Returns true by default.
@@ -577,7 +577,7 @@ mixin LocalHistoryRoute<T> on Route<T> {
   ///               child: const Text('< Back'),
   ///               onPressed: () {
   ///                 // Pop a route. If this is pressed while the red rectangle is
-  ///                 // visible then it will will pop our local history entry, which
+  ///                 // visible then it will pop our local history entry, which
   ///                 // will hide the red rectangle. Otherwise, the SecondPage will
   ///                 // navigate back to the HomePage.
   ///                 Navigator.of(context).pop();

packages/flutter/lib/src/widgets/scroll_activity.dart

@@ -433,7 +433,7 @@ class ScrollDragController implements Drag {
   String toString() => describeIdentity(this);
 }
 
-/// The activity a scroll view performs when a the user drags their finger
+/// The activity a scroll view performs when the user drags their finger
 /// across the screen.
 ///
 /// See also:

packages/flutter/lib/src/widgets/scroll_simulation.dart

@@ -86,7 +86,7 @@ class BouncingScrollSimulation extends Simulation {
   /// model to a spring model which causes [x] to "spring" back to [trailingExtent].
   final double trailingExtent;
 
-  /// The spring used used to return [x] to either [leadingExtent] or [trailingExtent].
+  /// The spring used to return [x] to either [leadingExtent] or [trailingExtent].
   final SpringDescription spring;
 
   late FrictionSimulation _frictionSimulation;

packages/flutter/lib/src/widgets/sliver_persistent_header.dart

@@ -88,7 +88,7 @@ abstract class SliverPersistentHeaderDelegate {
   /// Defaults to null.
   OverScrollHeaderStretchConfiguration? get stretchConfiguration => null;
 
-  /// Specifies how floating headers and pinned pinned headers should behave in
+  /// Specifies how floating headers and pinned headers should behave in
   /// response to [RenderObject.showOnScreen] calls.
   ///
   /// Defaults to null.

packages/flutter/test/material/raw_material_button_test.dart

@@ -227,7 +227,7 @@ void main() {
     await tester.pump(); // start gesture
     await tester.pump(const Duration(milliseconds: 200)); // wait for splash to be well under way
     final RenderBox box = Material.of(tester.element(find.byType(InkWell)))! as RenderBox;
-    // paints above above material
+    // paints above material
     expect(box, paints..circle(x: 44.0, y: 0.0, color: splashColor));
     await gesture.up();
   });

packages/flutter/test/widgets/editable_text_test.dart

@@ -6849,7 +6849,7 @@ void main() {
         defaultTargetPlatform == TargetPlatform.linux ||
         defaultTargetPlatform == TargetPlatform.fuchsia
       ) {
-        // `newValue` will will not be truncated on couple platforms.
+        // `newValue` will not be truncated on couple platforms.
         expect(state.currentTextEditingValue.text, '你好啊朋友们');
         expect(state.currentTextEditingValue.composing, const TextRange(start: 3, end: 6));
       } else {

packages/flutter_driver/lib/src/driver/timeline.dart

@@ -24,7 +24,7 @@ class Timeline {
   /// This is parsed from "traceEvents" data within [json] and sorted by
   /// timestamp. Anything without a valid timestamp is put in the beginning.
   ///
-  /// This will be null if there are are no "traceEvents" in the [json].
+  /// This will be null if there are no "traceEvents" in the [json].
   final List<TimelineEvent>? events;
 }
 

packages/flutter_test/lib/src/widget_tester.dart

@@ -763,7 +763,7 @@ class WidgetTester extends WidgetController implements HitTestDispatcher, Ticker
     Duration additionalTime = const Duration(milliseconds: 1000),
   }) => binding.runAsync<T?>(callback, additionalTime: additionalTime);
 
-  /// Whether there are any any transient callbacks scheduled.
+  /// Whether there are any transient callbacks scheduled.
   ///
   /// This essentially checks whether all animations have completed.
   ///

packages/flutter_tools/lib/src/android/android_workflow.dart

@@ -120,7 +120,7 @@ class AndroidValidator extends DoctorValidator {
 
   /// `java -version` response is not only a number, but also includes other
   /// information eg. `openjdk version "1.7.0_212"`.
-  /// This method extracts only the semantic version from from that response.
+  /// This method extracts only the semantic version from that response.
   static String? _extractJavaVersion(String? text) {
     if (text == null || text.isEmpty) {
       return null;

packages/flutter_tools/lib/src/commands/test.dart

@@ -254,7 +254,7 @@ class TestCommand extends FlutterCommand with DeviceBasedDevelopmentArtifacts {
     _testFiles = argResults.rest.map<String>(globals.fs.path.absolute).toList();
     if (_testFiles.isEmpty) {
       // We don't scan the entire package, only the test/ subdirectory, so that
-      // files with names like like "hit_test.dart" don't get run.
+      // files with names like "hit_test.dart" don't get run.
       final Directory testDir = globals.fs.directory('test');
       if (!testDir.existsSync()) {
         throwToolExit('Test directory "${testDir.path}" not found.');

packages/flutter_tools/test/general.shard/cold_test.dart

@@ -23,7 +23,7 @@ import '../src/common.dart';
 import '../src/context.dart';
 
 void main() {
-  testUsingContext('Exits with code 2 when when HttpException is thrown '
+  testUsingContext('Exits with code 2 when HttpException is thrown '
     'during VM service connection', () async {
     final FakeResidentCompiler residentCompiler = FakeResidentCompiler();
     final FakeDevice device = FakeDevice()

packages/flutter_tools/test/general.shard/flutter_tester_device_test.dart

@@ -186,7 +186,7 @@ void main() {
       device = createDevice(enableObservatory: true);
     });
 
-    testUsingContext('skips setting observatory port and uses the input port for for DDS instead', () async {
+    testUsingContext('skips setting observatory port and uses the input port for DDS instead', () async {
       await device.start('example.dill');
       await device.observatoryUri;
 

packages/flutter_tools/test/general.shard/hot_test.dart

@@ -237,7 +237,7 @@ void main() {
       fileSystem = MemoryFileSystem.test();
     });
 
-    testUsingContext('Exits with code 2 when when HttpException is thrown '
+    testUsingContext('Exits with code 2 when HttpException is thrown '
       'during VM service connection', () async {
       fileSystem.file('.packages')
         ..createSync(recursive: true)

packages/flutter_tools/test/general.shard/web/devfs_web_test.dart

@@ -985,7 +985,7 @@ void main() {
     expect(response.statusCode, 404);
   }));
 
-  test('WebAssetServer strips leading base href off off asset requests', () => testbed.run(() async {
+  test('WebAssetServer strips leading base href off of asset requests', () => testbed.run(() async {
     const String htmlContent = '<html><head><base href="/foo/"></head><body id="test"></body></html>';
     globals.fs.currentDirectory
       .childDirectory('web')

packages/integration_test/lib/integration_test_driver.dart

@@ -23,7 +23,7 @@ String testOutputsDirectory =
 /// succeeds.
 typedef ResponseDataCallback = FutureOr<void> Function(Map<String, dynamic>?);
 
-/// Writes a json-serializable json data to
+/// Writes a json-serializable data to
 /// [testOutputsDirectory]/`testOutputFilename.json`.
 ///
 /// This is the default `responseDataCallback` in [integrationDriver].