public void OrReturnsOrSpecification()
        {
            var compositeSpecification = new Mock<CompositeSpecification<object>>().Object;
            var otherSpeicfication = new Mock<ISpecification<object>>().Object;
            ISpecification<object> orSpecification = compositeSpecification.Or(otherSpeicfication);

            Assert.IsInstanceOf<OrSpecification<object>>(orSpecification);
        }