[cuegui] Fix test_kill unit test to become user agnostic (#1506)

The previous version of the test would only work if executed by root

cuegui/tests/MenuActions_tests.py

@@ -22,6 +22,7 @@
 
 import unittest
 
+import getpass
 import mock
 import qtpy.QtGui
 import qtpy.QtWidgets
@@ -975,10 +976,10 @@ def test_kill(self, isPermissibleMock, yesNoMock):
         frame = opencue.wrappers.frame.Frame(opencue.compiled_proto.job_pb2.Frame(name=frame_name))
 
         self.frame_actions.kill(rpcObjects=[frame])
-
+        username = getpass.getuser()
         self.job.killFrames.assert_called_with(
             name=[frame_name],
-            reason="Manual Frame(s) Kill Request in Cuegui by root")
+            reason="Manual Frame(s) Kill Request in Cuegui by %s" % username)
 
     @mock.patch('cuegui.Utils.questionBoxYesNo', return_value=True)
     def test_markAsWaiting(self, yesNoMock):