anchor.diff:    Expect.equals(const Symbol('bool'), mirror.type.simpleName);
     Expect.isTrue(mirror.hasReflectee);
     Expect.equals(true, mirror.reflectee);
  -  Expect.equals("InstanceMirror on <true>", mirror.toString());
  +  Expect.equals("InstanceMirror on true", mirror.toString());
     testDone('testBoolInstanceMirror');
   }
   
  
positive.code:   Expect.equals(const Symbol('int'), mirror.type.simpleName);
    Expect.isTrue(mirror.hasReflectee);
    Expect.equals(1001, mirror.reflectee);
    Expect.equals("InstanceMirror on <1001>", mirror.toString());
  
    // Invoke (mirror + mirror).
    mirror.invokeAsync(const Symbol('+'), [ mirror ]).then(
  
negative.code:   Expect.equals(const Symbol('Object'), mirror.type.simpleName);
    Expect.isTrue(mirror.hasReflectee);
    Expect.equals(null, mirror.reflectee);
    Expect.equals("InstanceMirror on null", mirror.toString());
    testDone('testNullInstanceMirror');
  }
  
  