--- a/taskcluster/docker/desktop1604-test/Dockerfile
+++ b/taskcluster/docker/desktop1604-test/Dockerfile
@@ -1,11 +1,12 @@
 FROM          ubuntu:16.04
 MAINTAINER    Joel Maher <joel.maher@gmail.com>
 
+
 RUN mkdir /builds
 RUN useradd -d /builds/worker -s /bin/bash -m worker
 WORKDIR /builds/worker
 
 # We need to declare all potentially cache volumes as caches. Also,
 # making high I/O paths volumes increase I/O throughput because of
 # AUFS slowness.
 VOLUME /builds/worker/.cache

--- a/testing/mochitest/runtests.py
+++ b/testing/mochitest/runtests.py
@@ -772,17 +772,17 @@ def findTestMediaDevices(log):
         subprocess.check_call([pactl, 'load-module',
                                'module-null-sink'])
 
     if not null_sink_loaded():
         log.error('Couldn\'t load module-null-sink')
         return None
 
     # Hardcode the name since it's always the same.
-    info['audio'] = 'Monitor of Dummy Output'
+    info['audio'] = 'Monitor of Null Output'
     return info
 
 
 def create_zip(path):
     """
     Takes a `path` on disk and creates a zipfile with its contents. Returns a
     path to the location of the temporary zip file.
     """