diff -r 000000000000 -r 6474c204b198 dom/telephony/test/marionette/test_conference_three_hangup_one.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/telephony/test/marionette/test_conference_three_hangup_one.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+MARIONETTE_TIMEOUT = 60000;
+MARIONETTE_HEAD_JS = 'head.js';
+
+function testConferenceThreeAndHangupOne() {
+  log('= testConferenceThreeAndHangupOne =');
+
+  let outCall;
+  let inCall;
+  let inCall2;
+  let outNumber = "5555550101";
+  let inNumber  = "5555550201";
+  let inNumber2 = "5555550202";
+  let inInfo = gInCallStrPool(inNumber);
+  let inInfo2 = gInCallStrPool(inNumber2);
+
+  return Promise.resolve()
+    .then(() => gSetupConferenceThreeCalls(outNumber, inNumber, inNumber2))
+    .then(calls => {
+      [outCall, inCall, inCall2] = calls;
+    })
+    .then(() => gHangUpCallInConference(outCall, [], [inCall, inCall2]))
+    .then(() => gCheckAll(conference, [], 'connected', [inCall, inCall2],
+                          [inInfo.active, inInfo2.active]))
+    .then(() => gRemoteHangUpCalls([inCall, inCall2]));
+}
+
+// Start the test
+startTest(function() {
+  testConferenceThreeAndHangupOne()
+    .then(null, error => {
+      ok(false, 'promise rejects during test.');
+    })
+    .then(finish);
+});