public void In_IfHasValue_ShouldFindContainingMatches() { //Arrange var targetValues = new long[] { 1, 2 }; //Act var sut = new SimpleQueryBuilder <Fake>(_fakeRepository.GetFakes()); var queryable = sut.In(f => f.AvailableQuantity, targetValues).Queryable(); var result = queryable.ToList(); //Verify result.Should().HaveCount(2); }