diff -r 000000000000 -r 6474c204b198 testing/mozbase/mozdevice/sut_tests/test_prompt.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/mozbase/mozdevice/sut_tests/test_prompt.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import re
+import socket
+
+from dmunit import DeviceManagerTestCase
+
+class PromptTestCase(DeviceManagerTestCase):
+
+    def tearDown(self):
+        if self.sock:
+            self.sock.close()
+
+    def runTest(self):
+        """This tests getting a prompt from the device.
+        """
+        self.sock = None
+        ip = self.dm.host
+        port = self.dm.port
+
+        promptre = re.compile('.*\$\>\x00')
+        data = ""
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.sock.connect((ip, int(port)))
+        data = self.sock.recv(1024)
+        print data
+        self.assertTrue(promptre.match(data))