diff --git a/app/src/androidTest/java/com/eahackathon/watd/whosatthedoor/GcmRegistrationHelperTest.java b/app/src/androidTest/java/com/eahackathon/watd/whosatthedoor/GcmRegistrationHelperTest.java
index 525db37..87d0ce3 100644
--- a/app/src/androidTest/java/com/eahackathon/watd/whosatthedoor/GcmRegistrationHelperTest.java
+++ b/app/src/androidTest/java/com/eahackathon/watd/whosatthedoor/GcmRegistrationHelperTest.java
@@ -37,13 +37,10 @@ public void testGcmRegistrationHelper_test() throws IOException, InterruptedExce
         WaTDAPI mockWaTDAPI = mock(WaTDAPI.class);
         APIService.setInstance(mockWaTDAPI);
         Call<ResponseModel> mockCall = mock(Call.class);
-        ArgumentCaptor<Callback> callbackCaptor = ArgumentCaptor.forClass(Callback.class);
         when(mockWaTDAPI.createGcmKey(any(CreateGcmKeyRequest.class))).thenReturn(mockCall);
-        GcmRegistrationHelper.getInstance().register();
+        GcmRegistrationHelper.getInstance().doRegister();
         Thread.sleep(3000);
-        verify(mockCall).enqueue(callbackCaptor.capture());
-        callbackCaptor.getValue().onFailure(null);
-        callbackCaptor.getValue().onResponse(null, null);
+        verify(mockCall).enqueue(any(Callback.class));
     }
 }
 
diff --git a/app/src/main/java/com/eahackathon/watd/whosatthedoor/helpers/GcmRegistrationHelper.java b/app/src/main/java/com/eahackathon/watd/whosatthedoor/helpers/GcmRegistrationHelper.java
index a2ffd8c..89d8b67 100644
--- a/app/src/main/java/com/eahackathon/watd/whosatthedoor/helpers/GcmRegistrationHelper.java
+++ b/app/src/main/java/com/eahackathon/watd/whosatthedoor/helpers/GcmRegistrationHelper.java
@@ -47,21 +47,25 @@ public void setActivity(Activity mActivity) {
 
     public void register() throws IOException {
         if (checkPlayService()) {
-            String registerId = GoogleCloudMessaging.getInstance(mActivity).register("120607825117");
-            Call<ResponseModel> call = APIService.getInstance().createGcmKey(new CreateGcmKeyRequest(getDeviceId(), registerId));
-            call.enqueue(new Callback<ResponseModel>() {
-                @Override
-                public void onResponse(Response<ResponseModel> response, Retrofit retrofit) {
-                    Log.e("register GCM", "success");
-                }
+            doRegister();
+        }
+    }
+
+    public void doRegister() throws IOException {
+        String registerId = GoogleCloudMessaging.getInstance(mActivity).register("120607825117");
+        Call<ResponseModel> call = APIService.getInstance().createGcmKey(new CreateGcmKeyRequest(getDeviceId(), registerId));
+        call.enqueue(new Callback<ResponseModel>() {
+            @Override
+            public void onResponse(Response<ResponseModel> response, Retrofit retrofit) {
+                Log.e("register GCM", "success");
+            }
 
-                @Override
-                public void onFailure(Throwable t) {
-                    Log.e("register GCM", "failed");
+            @Override
+            public void onFailure(Throwable t) {
+                Log.e("register GCM", "failed");
 
-                }
-            });
-        }
+            }
+        });
     }
 
     private boolean checkPlayService() {
diff --git a/circle.yml b/circle.yml
index 3c5d983..e6e4614 100644
--- a/circle.yml
+++ b/circle.yml
@@ -4,7 +4,7 @@ machine:
     ADB_INSTALL_TIMEOUT : 40
 dependencies:
   pre:
-    - echo y | android update sdk --no-ui --all --filter "build-tools-23.0.1"
+    - echo y | sudo /usr/local/android-sdk-linux/tools/android update sdk --no-ui --all --filter extra-android-m2repository,extra-android-support,extra-google-google_play_services,extra-google-m2repository
     - chmod +x $APP_HOME/gradlew
 test:
   override: