Bug 1478252 - Enable client/shared/test/browser_outputparser.js in e10s; r=jdescottes.

The test was disabled for intermittent failure, but I did
not managed to make it fail with --verify.
There was a fixed needed in the test for the angle since
the property used there was deprecated.

Differential Revision: https://phabricator.services.mozilla.com/D2784

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

devtools/client/shared/test/browser.ini

@@ -170,7 +170,6 @@ skip-if = verify
 [browser_num-l10n.js]
 [browser_options-view-01.js]
 [browser_outputparser.js]
-skip-if = e10s # Test intermittently fails with e10s. Bug 1124162.
 [browser_poller.js]
 [browser_prefs-01.js]
 [browser_prefs-02.js]

devtools/client/shared/test/browser_outputparser.js

@@ -283,7 +283,7 @@ function testParseFilter(doc, parser) {
 }
 
 function testParseAngle(doc, parser) {
-  let frag = parser.parseCssProperty("image-orientation", "90deg", {
+  let frag = parser.parseCssProperty("rotate", "90deg", {
     angleSwatchClass: "test-angleswatch"
   });