Enable missing_whitespace_between_adjacent_strings (#77027)

analysis_options.yaml

@@ -125,7 +125,7 @@ linter:
     # - lines_longer_than_80_chars # not required by flutter style
     - list_remove_unrelated_type
     # - literal_only_boolean_expressions # too many false positives: https://github.com/dart-lang/sdk/issues/34181
-    # - missing_whitespace_between_adjacent_strings # not yet tested
+    - missing_whitespace_between_adjacent_strings
     - no_adjacent_strings_in_list
     # - no_default_cases # too many false positives
     - no_duplicate_case_values

dev/benchmarks/macrobenchmarks/lib/src/fullscreenTextField.dart

@@ -16,7 +16,7 @@ const String textLotsOfText = 'Lorem ipsum dolor sit amet, consectetur '
   'eleifend. Sagittis aliquam malesuada bibendum arcu vitae elementum. Massa sed '
   'elementum tempus egestas sed sed risus. Amet consectetur adipiscing elit ut '
   'aliquam purus sit amet luctus. Elementum nisi quis eleifend quam adipiscing '
-  'vitae. Aliquam sem fringilla ut morbi tincidunt augue.'
+  'vitae. Aliquam sem fringilla ut morbi tincidunt augue. '
   '👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦'
   '👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦'
   '👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦'
@@ -32,19 +32,19 @@ const String textLotsOfText = 'Lorem ipsum dolor sit amet, consectetur '
   '👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦'
   '👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦'
   '👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦'
-  '👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦'
-  '😀 😃 😄 😁 😆 😅 😂 🤣 🥲 ☺️ 😊 😇 🙂 🙃 😉 😌 😍 🥰 😘 😗 😙'
-  '😚 😋 😛 😝 😜 🤪 🤨 🧐 🤓 😎 🥸 🤩 🥳 😏 😒 😞 😔 😟 😕 🙁 ☹'
-  '️ 😣 😖 😫 😩 🥺 😢 😭 😤 😠 😡 🤬 🤯 😳 🥵 🥶 😱 😨 😰 😥 😓 '
+  '👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦👨‍👩‍👦 '
+  '😀 😃 😄 😁 😆 😅 😂 🤣 🥲 ☺️ 😊 😇 🙂 🙃 😉 😌 😍 🥰 😘 😗 😙 '
+  '😚 😋 😛 😝 😜 🤪 🤨 🧐 🤓 😎 🥸 🤩 🥳 😏 😒 😞 😔 😟 😕 🙁 ☹ '
+  '️😣 😖 😫 😩 🥺 😢 😭 😤 😠 😡 🤬 🤯 😳 🥵 🥶 😱 😨 😰 😥 😓 '
   '🤗 🤔 🤭 🤫 🤥 😶 😐 😑 😬 🙄 😯 😦 😧 😮 😲 🥱 😴 🤤 😪 😵 '
   '🤐 🥴 🤢 🤮 🤧 😷 🤒 🤕 🤑 🤠 😈 👿 👹 👺 🤡 💩 👻 💀 ☠️ 👽 '
-  '👾 🤖 🎃 😺 😸 😹 😻 😼 😽 🙀 😿 😾'
-  '️ 😣 😖 😫 😩 🥺 😢 😭 😤 😠 😡 🤬 🤯 😳 🥵 🥶 😱 😨 😰 😥 😓 '
+  '👾 🤖 🎃 😺 😸 😹 😻 😼 😽 🙀 😿 😾 '
+  '️😣 😖 😫 😩 🥺 😢 😭 😤 😠 😡 🤬 🤯 😳 🥵 🥶 😱 😨 😰 😥 😓 '
   '🤗 🤔 🤭 🤫 🤥 😶 😐 😑 😬 🙄 😯 😦 😧 😮 😲 🥱 😴 🤤 😪 😵 '
   '🤐 🥴 🤢 🤮 🤧 😷 🤒 🤕 🤑 🤠 😈 👿 👹 👺 🤡 💩 👻 💀 ☠️ 👽 '
-  '👾 🤖 🎃 😺 😸 😹 😻 😼 😽 🙀 😿 😾'
-  '👋 🤚 🖐 ✋ 🖖 👌 🤌 🤏 ✌️ 🤞 🤟 🤘 🤙 👈 👉 👆 🖕 👇 ☝️ 👍 👎'
-  ' ✊ 👊 🤛 🤜 👏 🙌 👐 🤲 🤝 🙏 ✍️ 💅 🤳 💪 🦾 🦵 🦿 🦶 👣 👂 '
+  '👾 🤖 🎃 😺 😸 😹 😻 😼 😽 🙀 😿 😾 '
+  '👋 🤚 🖐 ✋ 🖖 👌 🤌 🤏 ✌️ 🤞 🤟 🤘 🤙 👈 👉 👆 🖕 👇 ☝️ 👍 👎 '
+  '✊ 👊 🤛 🤜 👏 🙌 👐 🤲 🤝 🙏 ✍️ 💅 🤳 💪 🦾 🦵 🦿 🦶 👣 👂 '
   '🦻 👃 🫀 🫁 🧠 🦷 🦴 👀 👁 👅 👄 💋 🩸';
 
 class TextFieldPage extends StatelessWidget {

dev/benchmarks/macrobenchmarks/lib/src/web/recorder.dart

@@ -750,9 +750,9 @@ class TimeseriesStats {
   String toString() {
     final StringBuffer buffer = StringBuffer();
     buffer.writeln(
-      '$name: (samples: $cleanSampleCount clean/$outlierSampleCount outliers/'
-      '${cleanSampleCount + outlierSampleCount} measured/'
-      '${samples.length} total)');
+      '$name: (samples: $cleanSampleCount clean/$outlierSampleCount '
+      'outliers/${cleanSampleCount + outlierSampleCount} '
+      'measured/${samples.length} total)');
     buffer.writeln(' | average: $average μs');
     buffer.writeln(' | outlier average: $outlierAverage μs');
     buffer.writeln(' | outlier/clean ratio: ${outlierRatio}x');

dev/benchmarks/macrobenchmarks/test_driver/frame_policy_test.dart

@@ -16,8 +16,8 @@ Future<void> main() => driver.integrationDriver(
 
     if(benchmarkLiveResult['frame_count'] as int < 10
        || fullyLiveResult['frame_count'] as int < 10) {
-      print('Failure Details:\nNot Enough frames collected:'
-            'benchmarkLive ${benchmarkLiveResult['frameCount']},'
+      print('Failure Details:\nNot Enough frames collected: '
+            'benchmarkLive ${benchmarkLiveResult['frameCount']}, '
             '${fullyLiveResult['frameCount']}.');
       exit(1);
     }

dev/bots/test/analyze-test-input/root/packages/foo/deprecation.dart

@@ -9,7 +9,7 @@
 void test1() { }
 
 @Deprecated(
-  'Missing space ->.'
+  'Missing space ->.' //ignore: missing_whitespace_between_adjacent_strings
   'This feature was deprecated after v1.2.3.'
 )
 void test2() { }

dev/devicelab/lib/framework/adb.dart

@@ -72,8 +72,7 @@ abstract class DeviceDiscovery {
       case DeviceOperatingSystem.fuchsia:
         return FuchsiaDeviceDiscovery();
       case DeviceOperatingSystem.fake:
-        print('Looking for fake devices!'
-              'You should not see this in release builds.');
+        print('Looking for fake devices! You should not see this in release builds.');
         return FakeDeviceDiscovery();
       default:
         throw DeviceException('Unsupported device operating system: $deviceOperatingSystem');

dev/devicelab/test/cocoon_test.dart

@@ -126,7 +126,7 @@ void main() {
       const String updateTaskJson = '{'
           '"CommitBranch":"master",'
           '"CommitSha":"$commitSha",'
-          '"BuilderName":"builder a b c",'
+          '"BuilderName":"builder a b c",'  //ignore: missing_whitespace_between_adjacent_strings
           '"NewStatus":"Succeeded",'
           '"ResultData":{},'
           '"BenchmarkScoreKeys":[]}';

dev/integration_tests/web_e2e_tests/test_driver/text_editing_integration.dart

@@ -144,9 +144,7 @@ void main() {
     expect(input2.value, 'Text2');
   });
 
-  testWidgets('Jump between TextFormFields with tab key after CapsLock is'
-      'activated',
-          (WidgetTester tester) async {
+  testWidgets('Jump between TextFormFields with tab key after CapsLock is activated', (WidgetTester tester) async {
     app.main();
     await tester.pumpAndSettle();
 

packages/flutter/lib/src/gestures/velocity_tracker.dart

@@ -303,7 +303,7 @@ class IOSScrollViewFlingVelocityTracker extends VelocityTracker {
       if (previousPoint == null || previousPoint.time <= time)
         return true;
       throw FlutterError(
-        'The position being added ($position) has a smaller timestamp ($time)'
+        'The position being added ($position) has a smaller timestamp ($time) '
         'than its predecessor: $previousPoint.'
       );
     }());

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

@@ -2306,7 +2306,7 @@ class ScaffoldState extends State<Scaffold> with TickerProviderStateMixin, Resto
       assert(debugCheckHasScaffoldMessenger(context));
       assert(
         _scaffoldMessenger != null,
-        'A SnackBar was shown by the ScaffoldMessenger, but has been called upon'
+        'A SnackBar was shown by the ScaffoldMessenger, but has been called upon '
         'to be removed from a Scaffold that is not registered with a '
         'ScaffoldMessenger, this can happen if a Scaffold has been rebuilt '
         'without an ancestor ScaffoldMessenger.',
@@ -2351,7 +2351,7 @@ class ScaffoldState extends State<Scaffold> with TickerProviderStateMixin, Resto
       assert(debugCheckHasScaffoldMessenger(context));
       assert(
         _scaffoldMessenger != null,
-      'A SnackBar was shown by the ScaffoldMessenger, but has been called upon'
+        'A SnackBar was shown by the ScaffoldMessenger, but has been called upon '
         'to be removed from a Scaffold that is not registered with a '
         'ScaffoldMessenger, this can happen if a Scaffold has been rebuilt '
         'without an ancestor ScaffoldMessenger.',

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

@@ -5221,7 +5221,7 @@ class RenderFollowerLayer extends RenderProxyBox {
     assert(
       link.leaderSize != null || (link.leader == null || leaderAnchor == Alignment.topLeft),
       '$link: layer is linked to ${link.leader} but a valid leaderSize is not set. '
-      'leaderSize is required when leaderAnchor is not Alignment.topLeft'
+      'leaderSize is required when leaderAnchor is not Alignment.topLeft '
       '(current value is $leaderAnchor).',
     );
     final Offset effectiveLinkedOffset = leaderSize == null

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

@@ -849,11 +849,13 @@ class Actions extends StatefulWidget {
     // This allows this function to be called by code that doesn't know the
     // concrete type of the intent at compile time.
     final Type type = intent?.runtimeType ?? T;
-    assert(type != Intent,
-      'The type passed to "find" resolved to "Intent": either a non-Intent'
-      'generic type argument or an example intent derived from Intent must be'
-      'specified. Intent may be used as the generic type as long as the optional'
-      '"intent" argument is passed.');
+    assert(
+      type != Intent,
+      'The type passed to "find" resolved to "Intent": either a non-Intent '
+      'generic type argument or an example intent derived from Intent must be '
+      'specified. Intent may be used as the generic type as long as the optional '
+      '"intent" argument is passed.'
+    );
 
     _visitActionsAncestors(context, (InheritedElement element) {
       final _ActionsMarker actions = element.widget as _ActionsMarker;

packages/flutter/test/material/elevated_button_test.dart

@@ -794,7 +794,7 @@ void main() {
       for (final TextDirection textDirection in textDirectionOptions) {
         for (final Widget? icon in iconOptions) {
           final String testName = 'ElevatedButton'
-            ', text scale $textScaleFactor'
+            ', text scale $textScaleFactor' // ignore: missing_whitespace_between_adjacent_strings, https://github.com/dart-lang/linter/issues/2489
             '${icon != null ? ", with icon" : ""}'
             '${textDirection == TextDirection.rtl ? ", RTL" : ""}';
 

packages/flutter/test/material/outlined_button_test.dart

@@ -1039,7 +1039,7 @@ void main() {
       for (final TextDirection textDirection in textDirectionOptions) {
         for (final Widget? icon in iconOptions) {
           final String testName = 'OutlinedButton'
-            ', text scale $textScaleFactor'
+            ', text scale $textScaleFactor' // ignore: missing_whitespace_between_adjacent_strings, https://github.com/dart-lang/linter/issues/2489
             '${icon != null ? ", with icon" : ""}'
             '${textDirection == TextDirection.rtl ? ", RTL" : ""}';
 

packages/flutter/test/material/snack_bar_test.dart

@@ -1981,8 +1981,7 @@ void main() {
     );
 
     testWidgets(
-      '${SnackBarBehavior.floating} should align SnackBar with the top of FloatingActionButton'
-      'when Scaffold has a FloatingActionButton',
+      '${SnackBarBehavior.floating} should align SnackBar with the top of FloatingActionButton when Scaffold has a FloatingActionButton',
       (WidgetTester tester) async {
         await tester.pumpWidget(MaterialApp(
           home: Scaffold(

packages/flutter/test/material/text_button_test.dart

@@ -832,7 +832,7 @@ void main() {
       for (final TextDirection textDirection in textDirectionOptions) {
         for (final Widget? icon in iconOptions) {
           final String testName = 'TextButton'
-            ', text scale $textScaleFactor'
+            ', text scale $textScaleFactor' // ignore: missing_whitespace_between_adjacent_strings, https://github.com/dart-lang/linter/issues/2489
             '${icon != null ? ", with icon" : ""}'
             '${textDirection == TextDirection.rtl ? ", RTL" : ""}';
 

packages/flutter/test/services/autofill_test.dart

@@ -43,8 +43,7 @@ void main() {
     });
 
     test(
-      'AutofillClients send the correct configuration to the platform'
-      'and responds to updateEditingStateWithTag method correctly',
+      'AutofillClients send the correct configuration to the platform and responds to updateEditingStateWithTag method correctly',
       () async {
         final FakeAutofillClient client1 = FakeAutofillClient(const TextEditingValue(text: 'test1'));
         final FakeAutofillClient client2 = FakeAutofillClient(const TextEditingValue(text: 'test2'));

packages/flutter/test/widgets/editable_text_test.dart

@@ -1806,8 +1806,7 @@ void main() {
   });
 
   testWidgets(
-    'iOS autocorrection rectangle should appear on demand'
-    'and dismiss when the text changes or when focus is lost',
+    'iOS autocorrection rectangle should appear on demand and dismiss when the text changes or when focus is lost',
     (WidgetTester tester) async {
       const Color rectColor = Color(0xFFFF0000);
 

packages/flutter_tools/lib/src/cache.dart

@@ -1836,7 +1836,7 @@ class ArtifactUpdater {
         if (retries == 0) {
           throwToolExit(
             'Flutter could not download and/or extract $url. Ensure you have '
-            'network connectivity and all of the required dependencies listed at'
+            'network connectivity and all of the required dependencies listed at '
             'flutter.dev/setup.\nThe original exception was: $err.'
           );
         }

packages/flutter_tools/lib/src/runner/flutter_command.dart

@@ -448,7 +448,7 @@ abstract class FlutterCommand extends Command<void> {
     argParser.addFlag('publish-port',
         negatable: true,
         hide: !verboseHelp,
-        help: 'Publish the VM service port over mDNS. Disable to prevent the'
+        help: 'Publish the VM service port over mDNS. Disable to prevent the '
               'local network permission app dialog in debug and profile build modes (iOS devices only.)',
         defaultsTo: enabledByDefault);
   }
@@ -670,7 +670,7 @@ abstract class FlutterCommand extends Command<void> {
     );
     argParser.addMultiOption(useLegacyNames ? kExtraGenSnapshotOptions : FlutterOptions.kExtraGenSnapshotOptions,
       help: 'A comma-separated list of additional command line arguments that will be passed directly to the Dart native compiler. '
-            '(Only used in "--profile" or "--release" builds.)'
+            '(Only used in "--profile" or "--release" builds.) '
             'For example, "--${FlutterOptions.kExtraGenSnapshotOptions}=--no-strip".',
       valueHelp: '--foo,--bar',
       splitCommas: true,

packages/flutter_tools/test/general.shard/base/logger_test.dart

@@ -572,6 +572,7 @@ void main() {
               outputStdout().join('\n'),
               "Knock Knock, Who's There     " // initial message
               '        ' // placeholder so that spinner can backspace on its first tick
+              // ignore: missing_whitespace_between_adjacent_strings
               '\b\b\b\b\b\b\b\b       $a' // first tick
               '\b\b\b\b\b\b\b\b        ' // clearing the spinner
               '\b\b\b\b\b\b\b\b' // clearing the clearing of the spinner
@@ -580,6 +581,7 @@ void main() {
               'Rude Interrupting Cow\n' // message
               "Knock Knock, Who's There     " // message restoration
               '        ' // placeholder so that spinner can backspace on its second tick
+              // ignore: missing_whitespace_between_adjacent_strings
               '\b\b\b\b\b\b\b\b       $b' // second tick
               '\b\b\b\b\b\b\b\b        ' // clearing the spinner to put the time
               '\b\b\b\b\b\b\b\b' // clearing the clearing of the spinner

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

@@ -118,7 +118,7 @@ void main() {
       testWithoutContext('String', () {
         expect(
           GitHubTemplateCreator.sanitizedCrashException(
-            'May have non-tool-internal info, very long string, 0b8abb4724aa590dd0f429683339b'
+            'May have non-tool-internal info, very long string, 0b8abb4724aa590dd0f429683339b' // ignore: missing_whitespace_between_adjacent_strings
             '24aa590dd0f429683339b1e045a1594d0b8abb4724aa590dd0f429683339b1e045a1594d0b8abb'
             '24aa590dd0f429683339b1e045a1594d0b8abb4724aa590dd0f429683339b1e045a1594d0b8abb'
             '24aa590dd0f429683339b1e045a1594d0b8abb4724aa590dd0f429683339b1e045a1594d0b8abb'

packages/flutter_tools/test/general.shard/ios/ios_device_logger_test.dart

@@ -40,8 +40,8 @@ void main() {
   group('syslog stream', () {
     testWithoutContext('decodeSyslog decodes a syslog-encoded line', () {
       final String decoded = decodeSyslog(
-          r'I \M-b\M^]\M-$\M-o\M-8\M^O syslog \M-B\M-/\'
-          r'134_(\M-c\M^C\M^D)_/\M-B\M-/ \M-l\M^F\240!');
+          r'I \M-b\M^]\M-$\M-o\M-8\M^O syslog '
+          r'\M-B\M-/\134_(\M-c\M^C\M^D)_/\M-B\M-/ \M-l\M^F\240!');
 
       expect(decoded, r'I ❤️ syslog ¯\_(ツ)_/¯ 솠!');
     });

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

@@ -82,8 +82,7 @@ void main() {
       );
     });
 
-    testWithoutContext('Picks up changes to the .packages file and updates package_config.json'
-      ', asyncScanning: $asyncScanning', () async {
+    testWithoutContext('Picks up changes to the .packages file and updates package_config.json, asyncScanning: $asyncScanning', () async {
       final DateTime past = DateTime.now().subtract(const Duration(seconds: 1));
       final FileSystem fileSystem = MemoryFileSystem.test();
       const PackageConfig packageConfig = PackageConfig.empty;
@@ -124,9 +123,7 @@ void main() {
       ]));
     });
 
-
-    testWithoutContext('Picks up changes to the .packages file and updates PackageConfig'
-      ', asyncScanning: $asyncScanning', () async {
+    testWithoutContext('Picks up changes to the .packages file and updates PackageConfig, asyncScanning: $asyncScanning', () async {
       final FileSystem fileSystem = MemoryFileSystem.test();
       const PackageConfig packageConfig = PackageConfig.empty;
       final ProjectFileInvalidator projectFileInvalidator = ProjectFileInvalidator(