Bug 1383117 - Disable browser_aboutStopReload.js on non-Nightly builds, since it's Photon-only. r=jaws

MozReview-Commit-ID: 3mTuZLeIQV2

--HG--
extra : rebase_source : f3c2389b21f673e4cc7f757039e6679f2bc3e143

browser/base/content/test/about/browser.ini

@@ -12,6 +12,7 @@ support-files =
 
 [browser_aboutCertError.js]
 [browser_aboutStopReload.js]
+run-if = nightly_build # Photon only
 [browser_aboutNetError.js]
 [browser_aboutSupport.js]
 [browser_aboutSupport_newtab_security_state.js]