Make sure all files that should be present are present.

test/keystrokes/gnome-terminal/command_not_found.py

@@ -0,0 +1,19 @@
+#!/usr/bin/python
+
+from macaroon.playback import *
+import utils
+
+sequence = MacroSequence()
+sequence.append(PauseAction(3000))
+sequence.append(TypeAction("foo"))
+
+sequence.append(utils.StartRecordingAction())
+sequence.append(KeyComboAction("Return"))
+sequence.append(utils.AssertPresentationAction(
+    "1. Return after typing 'foo'",
+    ["BRAILLE LINE:  ''",
+     "     VISIBLE:  '', cursor=1",
+     "SPEECH OUTPUT: 'bash: foo: command not found...'"]))
+
+sequence.append(utils.AssertionSummaryAction())
+sequence.start()