@Test
  public void imageResource() {
    // Arrange
    ImageResource testImageResource = MyClientBundle.INSTANCE.testImageResource();

    // Act
    String name = testImageResource.getName();
    String url = testImageResource.getSafeUri().asString();
    int heigh = testImageResource.getHeight();
    int left = testImageResource.getLeft();
    int width = testImageResource.getWidth();
    int top = testImageResource.getTop();
    String toString = testImageResource.toString();

    // Assert
    assertEquals("testImageResource", name);
    assertEquals(
        "http://127.0.0.1:8888/gwt_test_utils_module/com/octo/gwt/test/resources/testImageResource.gif",
        url);
    assertEquals(0, heigh);
    assertEquals(0, left);
    assertEquals(0, width);
    assertEquals(0, top);
    assertEquals(
        "com.octo.gwt.test.internal.resources.ImageResourceCallback generated for 'com.octo.gwt.test.resources.MyClientBundle.testImageResource()'",
        toString);
    assertEquals(testImageResource, MyClientBundle.INSTANCE.testImageResource());
  }