public void TestIsEmpty1()
        {
            var sequence = new[] { 1 };

            Assert.IsFalse(sequence.IsEmpty());
        }
        public void IsEmpty_WhenCollectionIsNotEmpty_ShouldReturnFalse()
        {
            //---------------Set up test pack-------------------
            var src = new[] {1};

            //---------------Assert Precondition----------------

            //---------------Execute Test ----------------------
            var result = src.IsEmpty();

            //---------------Test Result -----------------------
            Assert.IsFalse(result);
        }