Bug 1046694 - fix AttributeError in marionette tests. r=mgerva
Bug 1046694 - fix AttributeError in marionette tests. r=mgerva

armenzg/build-mozharness,walac/build-mozharness,lissyx/build-mozharness,kartikgupta0909/build-mozharness,mrrrgn/build-mozharness,mozilla/build-mozharness,lissyx/build-mozharness,kartikgupta0909/mozilla-mozharness,simar7/build-mozharness,armenzg/build-mozharness,kartikgupta0909/mozilla-mozharness,kartikgupta0909/gittest,mozilla/build-mozharness,kartikgupta0909/gittest,simar7/build-mozharness,mrrrgn/build-mozharness,walac/build-mozharness,kartikgupta0909/build-mozharness