### Question:
ProviderQueryFiltering extends SortingFilteringProvider<Query, ResolverQueryFilter, ResolverQueryOrderBy> { @Override public ResolverQueryOrderBy createOrderByResolver() { return new ResolverQueryOrderBy(); }  @Override ResolverQueryFilter createFilterResolver(); @Override ResolverQueryOrderBy createOrderByResolver();  }### Answer:
@Test public void createOrderByResolver() { ProviderQueryFiltering provider = new ProviderQueryFiltering(); Object result = provider.createOrderByResolver(); Assert.assertNotNull(result); }