fix some formatting issues (#28809)
* fix some formatting issues
* address review comments
* fix indent
diff --git a/packages/flutter_tools/test/cache_test.dart b/packages/flutter_tools/test/cache_test.dart
index 079b045..1e7916f 100644
--- a/packages/flutter_tools/test/cache_test.dart
+++ b/packages/flutter_tools/test/cache_test.dart
@@ -162,4 +162,4 @@
class MockRandomAccessFile extends Mock implements RandomAccessFile {}
class MockCachedArtifact extends Mock implements CachedArtifact {}
class MockInternetAddress extends Mock implements InternetAddress {}
-class MockCache extends Mock implements Cache {}
\ No newline at end of file
+class MockCache extends Mock implements Cache {}
