public void MoveCssInline_IgnoreUnknownPseudoClasses() { string input = "<html><head><style type=\"text/css\">.test:link { width: 150px; }</style></head><body><div class=\"test\" style=\"width: 100px;\">test</div></body></html>"; sut.IgnoreUnknownPseudoClasses(); string premailedOutput = sut.MoveCssInline(input, false); Assert.IsTrue(premailedOutput.Contains("<div class=\"test\" style=\"width: 100px;")); }