anchor.diff:  }
   
   abstract class X extends B with M {}
  -''');
  -    await resolveTestFile();
  -    assertTestErrorsWithCodes([
  -      CompileTimeErrorCode.MIXIN_APPLICATION_CONCRETE_SUPER_INVOKED_MEMBER_TYPE,
  +''', [
  +      error(
  +          CompileTimeErrorCode
  +              .MIXIN_APPLICATION_CONCRETE_SUPER_INVOKED_MEMBER_TYPE,
  +          224,
  +          1),
       ]);
     }
   
     test_error_mixinApplicationConcreteSuperInvokedMemberType_OK_method_overriddenInMixin() async {
  -    addTestFile(r'''
  +    await assertNoErrorsInCode(r'''
   class A<T> {
     void remove(T x) {}
   }
  
positive.code:   }
  
    test_error_implementsClause_nonClass_void() async {
      addTestFile(r'''
  mixin M implements void {}
  ''');
      await resolveTestFile();
  
      assertTestErrorsWithCodes([
        CompileTimeErrorCode.IMPLEMENTS_NON_CLASS,
        ParserErrorCode.EXPECTED_TYPE_NAME,
      ]);
  
      var element = findElement.mixin('M');
  
negative.code:   }
  
    test_superInvocation_setter() async {
      await assertNoErrorsInCode(r'''
  class A {
    void set foo(_) {}
  }
  