public void Correctly_Ignore_Image_With_Class_With_Responsive() { var meta = JObject.Parse( @"{ ""url"": ""/rfc-weekly-17th-October-2016"", ""published"": ""2016-10-17"", ""modified"": ""2016-10-17"", ""title"": ""RFC Weekly - 17th October 2016"", ""enabled"": ""true"" }"); var markdown = "<img class=\"img-responsive\"\\>"; var uat = new ImageTransformer(); var result = uat.TransformMarkdown(meta, markdown); Assert.Contains(markdown, result); }