diff -r 000000000000 -r 6474c204b198 testing/mozbase/mozdevice/tests/sut_app.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/mozbase/mozdevice/tests/sut_app.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+#/usr/bin/env python
+import mozdevice
+import mozlog
+import unittest
+from sut import MockAgent
+
+
+class TestApp(unittest.TestCase):
+
+    def test_getAppRoot(self):
+        command = [("getapproot org.mozilla.firefox",
+                    "/data/data/org.mozilla.firefox")]
+
+        m = MockAgent(self, commands=command)
+        d = mozdevice.DroidSUT("127.0.0.1", port=m.port, logLevel=mozlog.DEBUG)
+
+        self.assertEqual(command[0][1], d.getAppRoot('org.mozilla.firefox'))
+
+if __name__ == '__main__':
+    unittest.main()