Bug 1510695 - Fix URL comparisons in reftestWait r=jgraham

Depends on D13281

Differential Revision: https://phabricator.services.mozilla.com/D13282

--HG--
extra : moz-landing-system : lando

testing/marionette/harness/marionette_harness/tests/unit/test_reftest.py

@@ -45,3 +45,16 @@ class TestReftest(MarionetteTestCase):
                                u'stack': None,
                                u'status': u'PASS'}}
         self.assertEqual(expected, rv)
+
+    def test_url_comparison(self):
+        test_page = self.fixtures.where_is("test.html")
+        test_page_2 = self.fixtures.where_is("foo/../test.html")
+
+        self.marionette._send_message("reftest:setup", {"screenshot": "unexpected"})
+        rv = self.marionette._send_message("reftest:run",
+                                           {"test": test_page,
+                                            "references": [[test_page_2, [], "=="]],
+                                            "expected": "PASS",
+                                            "timeout": 10 * 1000})
+        self.marionette._send_message("reftest:teardown", {})
+        self.assertEqual(u"PASS", rv[u"value"][u"status"])

testing/marionette/listener.js

@@ -1620,6 +1620,8 @@ async function reftestWait(url, remote) {
 
   let reftestWait = false;
 
+  url = new URL(url).href;
+
   if (document.location.href !== url || document.readyState != "complete") {
     logger.debug(truncate`Waiting for page load of ${url}`);
     await new Promise(resolve => {