public void SupportedImageTest()
        {
            //Test with unsupported extension
            ImageHelper testIH1 = new ImageHelper();
            ImageModel test1 = new ImageModel { Error = false};
            string unsupported = ".avi";
            test1 = testIH1.SupportedImage(test1, unsupported);
            Assert.IsTrue(test1.Error);

            //Test with supported extension
            ImageHelper testIH2 = new ImageHelper();
            ImageModel test2 = new ImageModel { Error = false };
            string supported = ".gif";
            test2 = testIH2.SupportedImage(test2, supported);
            Assert.IsFalse(test2.Error);
        }