Bug 949949 - [B2G] remove telephony.onincoming before test case finishes. r=vicamo

dom/telephony/test/marionette/test_conference.js

@@ -152,7 +152,7 @@ function remoteDial(number) {
 
   telephony.onincoming = function onincoming(event) {
     log("Received 'incoming' call event.");
-    telephony.onimcoming = null;
+    telephony.onincoming = null;
 
     let call = event.call;
 

dom/telephony/test/marionette/test_dsds_normal_call.js

@@ -97,7 +97,7 @@ function remoteDial(number) {
 
   telephony.onincoming = function onincoming(event) {
     log("Received 'incoming' call event.");
-    telephony.onimcoming = null;
+    telephony.onincoming = null;
 
     let call = event.call;
 

dom/telephony/test/marionette/test_incoming_answer_hangup.js

@@ -91,6 +91,7 @@ function hangUp() {
 }
 
 function cleanUp() {
+  telephony.onincoming = null;
   finish();
 }