public void IsImageUrl_NotValidImageURL_ReturnsTrue()
{
string url = "google.com";
var result = IsImageUrlAttribute.IsImageUrl(url);
Assert.IsFalse(result);
}
public void IsImageUrl_ValidImageURL_ReturnsTrue()
{
string url = "https://www.at-languagesolutions.com/en/wp-content/uploads/2016/06/http-1.jpg";
var result = IsImageUrlAttribute.IsImageUrl(url);
Assert.IsTrue(result);
}