anchor.diff:    }
   """;
   
  -const String TEST_8 = @"""
  +const String TEST_8 = r"""
     class A {
       int f;
       A(x) {
  
positive.code:   main() { new A(); }
  """;
  
  const String TEST_3 = @"""
    class A {
      int f1;
      int f2;
  
negative.code:   return check(compiler.backend, member);
  }
  
  const String TEST_1 = r"""
    class A {
      int f;
    }
    main() { new A(); }
  """;
  
  const String TEST_2 = r"""
    class A {
      int f1;
      int f2 = 1;
  