Add some tests

tests/Framework/Washtml.php

@@ -124,4 +124,18 @@ class Framework_Washtml extends PHPUnit_Framework_TestCase
         }
     }
 
+    /**
+     * Test color style handling (#1489697)
+     */
+    function test_color_style()
+    {
+        $html = "<p style=\"font-size: 10px; color: rgb(241, 245, 218)\">a</p>";
+
+        $washer = new rcube_washtml;
+        $washed = $washer->wash($html);
+
+        $this->assertRegExp('|color: rgb\(241, 245, 218\)|', $washed, "Color style (#1489697)");
+        $this->assertRegExp('|font-size: 10px|', $washed, "Font-size style");
+    }
+
 }