anchor.diff:    }
   
     test_class_documentation_change() async {
  -    assertSameSignature(r'''
  +    _assertSameSignature(r'''
   /// foo
   class C {}
   ''', r'''
  
positive.code:   }
  
    test_topLevelVariable_withType_final() {
      assertSameSignature(r'''
  final int a = 1;
  ''', r'''
  final int a = 2;
  
negative.code:   }
  
    test_topLevelVariable_withoutType2() {
      _assertNotSameSignature(r'''
  var a = 1, b = 2, c, d = 4;;
  ''', r'''
  var a = 1, b, c = 3, d = 4;;
  