format parameter list (#27261)
diff --git a/packages/flutter_tools/test/ios/cocoapods_test.dart b/packages/flutter_tools/test/ios/cocoapods_test.dart
index 3a8384c..78454d7 100644
--- a/packages/flutter_tools/test/ios/cocoapods_test.dart
+++ b/packages/flutter_tools/test/ios/cocoapods_test.dart
@@ -572,5 +572,5 @@
class MockProcessManager extends Mock implements ProcessManager {}
class MockXcodeProjectInterpreter extends Mock implements XcodeProjectInterpreter {}
-ProcessResult exitsWithError([String stdout = '']) => ProcessResult(1, 1, stdout, '');
-ProcessResult exitsHappy([String stdout = '']) => ProcessResult(1, 0, stdout, '');
+ProcessResult exitsWithError([ String stdout = '' ]) => ProcessResult(1, 1, stdout, '');
+ProcessResult exitsHappy([ String stdout = '' ]) => ProcessResult(1, 0, stdout, '');