@Test
public void testUseDefaultConstructor_shouldForwardAllCalls() throws Throwable {

    Object testObject = new Object();
    AbstractOpenEngSBInvocationHandler abstractOpenEngSBInvocationHandler =
        createDefaultAbstractOpenEngSBInvocationHandler(testObject);
    Method method = Object.class.getMethod("toString", (Class<?>[]) null);
    assertSame(testObject, abstractOpenEngSBInvocationHandler.invoke(testObject, method, null));
}