diff --git a/dom/telephony/test/marionette/head.js b/dom/telephony/test/marionette/head.js
index 0bf7972c46f..27b5166fbfd 100644
--- a/dom/telephony/test/marionette/head.js
+++ b/dom/telephony/test/marionette/head.js
@@ -167,7 +167,7 @@ let emulator = (function() {
     } else {
       return waitForEvent(aTarget, "callschanged",
                           event => event.call == aExpectedCall)
-               .then(event => event.call)
+               .then(event => event.call);
     }
   }
 
@@ -1053,6 +1053,21 @@ let emulator = (function() {
     return Promise.all(promises);
   }
 
+  function setRadioEnabledAll(enabled) {
+    let promises = [];
+    let numOfSim = navigator.mozMobileConnections.length;
+
+    for (let i = 0; i < numOfSim; i++) {
+      let connection = navigator.mozMobileConnections[i];
+      ok(connection instanceof MozMobileConnection,
+         "connection[" + i + "] is instanceof " + connection.constructor);
+
+         promises.push(setRadioEnabled(connection, enabled));
+    }
+
+    return Promise.all(promises);
+  }
+
   /**
    * Public members.
    */
@@ -1087,21 +1102,38 @@ let emulator = (function() {
   this.gHangUpConference = hangUpConference;
   this.gSetupConference = setupConference;
   this.gSetRadioEnabled = setRadioEnabled;
+  this.gSetRadioEnabledAll = setRadioEnabledAll;
 }());
 
 function _startTest(permissions, test) {
-  function permissionSetUp() {
-    SpecialPowers.setBoolPref("dom.mozSettings.enabled", true);
-    for (let per of permissions) {
-      SpecialPowers.addPermission(per, true, document);
-    }
+  function typesToPermissions(types) {
+    return types.map(type => {
+      return {
+        "type": type,
+        "allow": 1,
+        "context": document
+      };
+    });
   }
 
-  function permissionTearDown() {
-    SpecialPowers.clearUserPref("dom.mozSettings.enabled");
-    for (let per of permissions) {
-      SpecialPowers.removePermission(per, document);
-    }
+  function ensureRadio() {
+    log("== Ensure Radio ==");
+    return new Promise(function(resolve, reject) {
+      SpecialPowers.pushPermissions(typesToPermissions(["mobileconnection"]), () => {
+        gSetRadioEnabledAll(true).then(() => {
+          SpecialPowers.popPermissions(() => {
+            resolve();
+          });
+        });
+      });
+    });
+  }
+
+  function permissionSetUp() {
+    log("== Permission SetUp ==");
+    return new Promise(function(resolve, reject) {
+      SpecialPowers.pushPermissions(typesToPermissions(permissions), resolve);
+    });
   }
 
   let debugPref;
@@ -1114,14 +1146,18 @@ function _startTest(permissions, test) {
     SpecialPowers.setBoolPref(kPrefRilDebuggingEnabled, true);
     log("Set debugging pref: " + debugPref + " => true");
 
-    permissionSetUp();
-
-    // Make sure that we get the telephony after adding permission.
-    telephony = window.navigator.mozTelephony;
-    ok(telephony);
-    conference = telephony.conferenceGroup;
-    ok(conference);
-    return gClearCalls().then(gCheckInitialState);
+    return Promise.resolve()
+      .then(ensureRadio)
+      .then(permissionSetUp)
+      .then(() => {
+        // Make sure that we get the telephony after adding permission.
+        telephony = window.navigator.mozTelephony;
+        ok(telephony);
+        conference = telephony.conferenceGroup;
+        ok(conference);
+      })
+      .then(gClearCalls)
+      .then(gCheckInitialState);
   }
 
   // Extend finish() with tear down.
@@ -1132,8 +1168,6 @@ function _startTest(permissions, test) {
       log("== Test TearDown ==");
       emulator.waitFinish()
         .then(() => {
-          permissionTearDown();
-
           // Restore debugging pref.
           SpecialPowers.setBoolPref(kPrefRilDebuggingEnabled, debugPref);
           log("Set debugging pref: true => " + debugPref);
diff --git a/dom/telephony/test/marionette/test_outgoing_radio_off.js b/dom/telephony/test/marionette/test_outgoing_radio_off.js
index a4a6bc15050..fbca4f7929d 100644
--- a/dom/telephony/test/marionette/test_outgoing_radio_off.js
+++ b/dom/telephony/test/marionette/test_outgoing_radio_off.js
@@ -8,23 +8,8 @@ const normalNumber = "0912345678";
 const emergencyNumber = "112";
 let outCall;
 
-function setRadioEnabledAll(enabled) {
-  let promises = [];
-  let numOfSim = navigator.mozMobileConnections.length;
-
-  for (let i = 0; i < numOfSim; i++) {
-    let connection = navigator.mozMobileConnections[i];
-    ok(connection instanceof MozMobileConnection,
-       "connection[" + i + "] is instanceof " + connection.constructor);
-
-    promises.push(gSetRadioEnabled(connection, enabled));
-  }
-
-  return Promise.all(promises);
-}
-
 function testDial_NormalNumber() {
-  return setRadioEnabledAll(false)
+  return gSetRadioEnabledAll(false)
     .then(() => gDial(normalNumber))
     .catch(cause => {
       is(cause, "RadioNotAvailable");
@@ -33,7 +18,7 @@ function testDial_NormalNumber() {
 }
 
 function testDial_EmergencyNumber() {
-  return setRadioEnabledAll(false)
+  return gSetRadioEnabledAll(false)
     .then(() => gDial(emergencyNumber))
     .then(call => { outCall = call; })
     .then(() => gRemoteAnswer(outCall))
@@ -42,7 +27,7 @@ function testDial_EmergencyNumber() {
 }
 
 function testDialEmergency_NormalNumber() {
-  return setRadioEnabledAll(false)
+  return gSetRadioEnabledAll(false)
     .then(() => gDialEmergency(normalNumber))
     .catch(cause => {
       is(cause, "RadioNotAvailable");
@@ -51,7 +36,7 @@ function testDialEmergency_NormalNumber() {
 }
 
 function testDialEmergency_EmergencyNumber() {
-  return setRadioEnabledAll(false)
+  return gSetRadioEnabledAll(false)
     .then(() => gDialEmergency(emergencyNumber))
     .then(call => { outCall = call; })
     .then(() => gRemoteAnswer(outCall))
@@ -66,7 +51,7 @@ startTestWithPermissions(['mobileconnection'], function() {
     .then(() => testDialEmergency_NormalNumber())
     .then(() => testDialEmergency_EmergencyNumber())
     .catch(error => ok(false, "Promise reject: " + error))
-    .then(() => setRadioEnabledAll(true))
+    .then(() => gSetRadioEnabledAll(true))
     .catch(error => ok(false, "Promise reject: " + error))
     .then(finish);
 });