@Test
public void typeResolverBuilderInstanceReturnsNull() {

    // given
    VirtualProperty[] customProperties = new VirtualProperty[0];
    Log4j2Lookup valueResolver = new Log4j2Lookup(null);
    JacksonHandlerInstantiator handlerInstantiator = createTestHandlerInstantiator(customProperties, valueResolver);
    // when
    TypeResolverBuilder<?> result = handlerInstantiator.typeResolverBuilderInstance(null, null, null);
    // then
    Assert.assertNull(result);
}