public static void VerbHelpText(string helpText, Type resourceType, string expected)
        {
            TestVerbAttribute verbAttribute = new TestVerbAttribute
            {
                HelpText     = helpText,
                ResourceType = resourceType
            };

            Assert.Equal(expected, verbAttribute.HelpText);
        }
        public void ThrowsHelpText(string helpText, Type resourceType)
        {
            TestVerbAttribute verbAttribute = new TestVerbAttribute
            {
                HelpText     = helpText,
                ResourceType = resourceType
            };

            // Verify exception
            Assert.Throws <ArgumentException>(() => verbAttribute.HelpText);
        }