test/experiment/regression/0000/0071.unit

>>>
void main() {
  expect(testFiles.containsKey('/main.dart'), isTrue,
      reason: '`/main.dart` is missing in testFiles');
}
<<<
void main() {
  expect(
    testFiles.containsKey('/main.dart'),
    isTrue,
    reason: '`/main.dart` is missing in testFiles',
  );
}