anchor.diff:  import 'use_eq_eq_null_test.dart' as use_eq_eq_null;
   import 'use_is_not_empty_test.dart' as use_is_not_empty;
   import 'use_not_eq_null_test.dart' as use_not_eq_null;
  +import 'use_rethrow_test.dart' as use_rethrow;
   
   main() {
     defineReflectiveSuite(() {
  
positive.code:     replace_boolean_with_bool.main();
      replace_colon_with_equals.main();
      replace_final_with_const.main();
      replace_return_type_future.main();
      replace_var_with_dynamic.main();
      replace_with_brackets.main();
  
negative.code:     remove_annotation.main();
      remove_await.main();
      remove_dead_code.main();
      remove_duplicate_case.main();
      remove_empty_catch.main();
      remove_empty_constructor_body.main();
      remove_empty_else.main();
  