Bug 1317887 - don't run IPC temporary file stream test in non-e10s mode. r=jdm

MozReview-Commit-ID: AvtMbbS7D82

--HG--
extra : rebase_source : 7b90fc7c71062459d9e370cf737e140b8a9ad901

dom/ipc/tests/mochitest.ini

@@ -17,6 +17,7 @@ skip-if = toolkit == 'cocoa' # disabled due to hangs, see changeset 6852e7c47edf
 [test_CrashService_crash.html]
 skip-if = !(crashreporter && !e10s && (toolkit == 'gtk2' || toolkit == 'gtk3' || toolkit == 'cocoa' || toolkit == 'windows'))
 [test_temporaryfile_stream.html]
+skip-if = !e10s
 support-files =
   blob_verify.sjs
   !/dom/canvas/test/captureStream_common.js