Move no-image.html to wpt reftests.

tests/ref/basic.list

@@ -184,7 +184,6 @@ flaky_cpu == linebreak_simple_a.html linebreak_simple_b.html
 == min_width_float_simple_a.html min_width_float_simple_b.html
 == min_width_simple_a.html min_width_simple_b.html
 == negative_margins_a.html negative_margins_b.html
-== no-image.html no-image-ref.html
 == no_image_background_a.html no_image_background_ref.html
 != noteq_attr_exists_selector.html attr_exists_selector_ref.html
 != octicons_a.html octicons_ref.html

tests/wpt/mozilla/meta/MANIFEST.json

@@ -887,6 +887,18 @@
             "url": "/_mozilla/css/negative_margin_uncle_a.html"
           }
         ],
+        "css/no-image.html": [
+          {
+            "path": "css/no-image.html",
+            "references": [
+              [
+                "/_mozilla/css/no-image-ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/css/no-image.html"
+          }
+        ],
         "css/noscript.html": [
           {
             "path": "css/noscript.html",
@@ -4056,6 +4068,18 @@
           "url": "/_mozilla/css/negative_margin_uncle_a.html"
         }
       ],
+      "css/no-image.html": [
+        {
+          "path": "css/no-image.html",
+          "references": [
+            [
+              "/_mozilla/css/no-image-ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/css/no-image.html"
+        }
+      ],
       "css/noscript.html": [
         {
           "path": "css/noscript.html",

tests/wpt/mozilla/tests/css/no-image.html

@@ -1 +1,3 @@
+<link rel='match' href='no-image-ref.html'>
 <img width="100px" height="100px" src="i-feel-a-disturbance-in-the-force.wtf">
+