@Test
public void isModelClass_behavesCorrectly() throws Exception {

    assertTrue(Introspector.isModelClass(TestModel.class));
    assertTrue(Introspector.isModelClass(SubTestModel.class));
    assertFalse(Introspector.isModelClass(IntrospectorTest.class));
    assertFalse(Introspector.isModelClass(int.class));
}