Bug 1394932 - Enable the g1 talos test on linux64-qr. r=jmaher

MozReview-Commit-ID: HzFQQzNNU4N

--HG--
extra : rebase_source : 78da4e4e5526d540224225eb1fc4f1f424e49adf

taskcluster/ci/test/test-sets.yml

@@ -105,7 +105,7 @@ stylo-sequential-tests:
 qr-talos:
     - talos-chrome
     - talos-dromaeojs
-    # - talos-g1 # doesn't work with QR yet
+    - talos-g1
     # - talos-g2 # doesn't work with QR yet
     - talos-g3
     - talos-g4