assertTrue(toTest, toTest.matches(".*\\{\\}"));
  }

  @GwtIncompatible // Class names are obfuscated in GWT
  public void testToStringHelper_localInnerNestedClass() {
    class LocalInnerClass {
      @SuppressWarnings("ClassCanBeStatic") // We want to test an inner class.
      class LocalInnerNestedClass {}
    }
    String toTest =