diff -r 000000000000 -r 6474c204b198 dom/voicemail/test/marionette/test_voicemail_number.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/voicemail/test/marionette/test_voicemail_number.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+MARIONETTE_TIMEOUT = 10000;
+
+SpecialPowers.addPermission("voicemail", true, document);
+
+let voicemail = window.navigator.mozVoicemail;
+ok(voicemail instanceof MozVoicemail);
+
+let serviceId = 0;
+
+// These are the emulator's hard coded voicemail number and alphaId
+is(voicemail.getNumber(serviceId), "+15552175049");
+is(voicemail.getDisplayName(serviceId), "Voicemail");
+
+is(voicemail.getNumber(), "+15552175049");
+is(voicemail.getDisplayName(), "Voicemail");
+
+SpecialPowers.removePermission("voicemail", document);
+finish();