Adding a check for background linear gradients and ensure they aren't throwing an error related to background image css properties.

ironikart · ironikart · commit 0f7a282cd563 · 2019-03-29T15:18:11.000+11:00
diff --git a/Tests/WCAG2/1_4_3_Contrast.html b/Tests/WCAG2/1_4_3_Contrast.html
@@ -9,6 +9,8 @@
 Assert: No Error *.G18 on #issue155
 Assert: Warning *.G145.Alpha on #rgba
 Assert: Warning *.G18.Alpha on #rgba2
+Assert: No Error *.G17.BgImage on #gradientBg1
+Assert: No Error *.G17.BgImage on #gradientBg2
 -->
 </head>
 <body>
@@ -26,6 +28,14 @@
     <div id="rgba2" style="background-color: rgba(0,0,0,0.2);">Text</div>
 </div>
 
+<div id="gradientBg1" style="background: linear-gradient(180deg, #f6f6f6 0, #e9e9ea);">
+    Test linear gradient BG
+</div>
+
+<div id="gradientBg2" class="testLinear">
+    Test external class linear gradient BG
+</div>
+
 </body>
 </html>
 
