public void GetUniqueFriendlyId_Test()
        {
            var    apiDesc     = apiDescription("asdf", "POST");
            string friendlyId  = apiDesc.FriendlyId();
            string friendlyId2 = apiDesc.FriendlyId2();

            Assert.AreNotEqual(friendlyId, friendlyId2);

            var operationNames = new HashSet <string> {
                friendlyId, friendlyId2
            };
            var    swaggerGenerator = new SwaggerGenerator(null, null, null);
            string uniqueFriendlyId = swaggerGenerator.GetUniqueFriendlyId(apiDesc, operationNames);

            Assert.AreNotEqual(friendlyId2, uniqueFriendlyId);
        }