public void ShouldNotAcceptFakeHtmlFile()
        {
            var file = new FakeFormFile("TestFiles\\html.png", "image/png");

            file.IsImage().Should().BeFalse();
        }
        public void ShouldAcceptFile()
        {
            var file = new FakeFormFile("TestFiles\\sasha.jpeg", "image/jpeg");

            file.IsImage().Should().BeTrue();
        }