prefer_match_file_name
Warns about a mismatch between file name and first declared element inside.
This improves navigation by matching file content and file name.
Tests
State: Disabled.
It's acceptable to include stubs or other helper classes into the test file.
Example
BAD:
File name: my_class.dart
class NotMyClass {} // LINT
File name: other_class.dart
class _OtherClass {}
class SomethingPublic {} // LINT
GOOD:
File name: my_class.dart
class MyClass {} // OK
File name: something_public.dart
class _OtherClass {}
class SomethingPublic {} // OK