public void When_comparing_values_are_case_sensitive()
        {
            var apiKey1 = new DefaultClientApiKey("fooId", "fooSecret");
            var apiKey2 = new DefaultClientApiKey("fooID", "fooSecret");
            var apiKey3 = new DefaultClientApiKey("fooId", "FooSecret");

            apiKey1.ShouldNotBe(apiKey2);
            apiKey1.ShouldNotBe(apiKey3);
            (apiKey1 == apiKey2).ShouldBeFalse();
            (apiKey2 == apiKey3).ShouldBeFalse();
        }
        public void When_comparing_different_values()
        {
            var apiKey1 = new DefaultClientApiKey("fooId", "fooSecret");
            var apiKey2 = new DefaultClientApiKey("barId", "barSecret");

            apiKey1.ShouldNotBe(apiKey2);
            (apiKey1 != apiKey2).ShouldBeTrue();
        }