Bug 1348754 - stylo reftests appear to be running as non-e10s but are reported as e10s. r=kmoir

MozReview-Commit-ID: GXLNJrzZIL3

taskcluster/ci/test/tests.yml

@@ -1054,14 +1054,14 @@ reftest-stylo:
                     stylo: true
                     autoland: true
                     mozilla-central: true
-                    default: false
+                    default: true
             linux64-stylo/debug:
                 by-project:
-                    mozilla-inbound: true
                     stylo: true
                     autoland: true
                     mozilla-central: true
-                    default: false
+                    mozilla-inbound: true
+                    default: true
     mozharness:
         script: desktop_unittest.py
         no-read-buildbot-config: true

testing/mozharness/configs/unittests/linux_unittest.py

@@ -228,7 +228,6 @@ config = {
             "tests": ["tests/reftest/tests/layout/reftests/reftest.list"]},
         "reftest-stylo": {
             "options": ["--suite=reftest",
-                        "--disable-e10s",
                         "--setpref=reftest.compareStyloToGecko=true"],
             "tests": ["tests/reftest/tests/layout/reftests/reftest-stylo.list"],
         },