Remove unused resource from TetherServiceTest

TetherService is no longer query resource by itself after ag/11524847.
That CL miss to remove unused getResources code.
Now remove unused resource in this change.

Bug: 146918263
Test: atest TetherServiceTest
Change-Id: I3b0da2672246997aee16b11576ce5ae9bfe596dc
diff --git a/tests/unit/src/com/android/settings/wifi/tether/TetherServiceTest.java b/tests/unit/src/com/android/settings/wifi/tether/TetherServiceTest.java
index be030bf..9d9cc34 100644
--- a/tests/unit/src/com/android/settings/wifi/tether/TetherServiceTest.java
+++ b/tests/unit/src/com/android/settings/wifi/tether/TetherServiceTest.java
@@ -50,7 +50,6 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.content.res.Resources;
 import android.net.TetheringManager;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
@@ -78,13 +77,11 @@
     private static final String TEST_RESPONSE_ACTION = "testProvisioningResponseAction";
     private static final String TEST_NO_UI_ACTION = "testNoUiProvisioningRequestAction";
     private static final int BOGUS_RECEIVER_RESULT = -5;
-    private static final int TEST_CHECK_PERIOD = 100;
     private static final int MS_PER_HOUR = 60 * 60 * 1000;
     private static final int SHORT_TIMEOUT = 100;
     private static final int PROVISION_TIMEOUT = 1000;
 
     private TetherService mService;
-    private MockResources mResources;
     private MockTetherServiceWrapper mWrapper;
     int mLastReceiverResultCode = BOGUS_RECEIVER_RESULT;
     private int mLastTetherRequestType = TETHERING_INVALID;
@@ -109,7 +106,6 @@
         super.setUp();
         MockitoAnnotations.initMocks(this);
 
-        mResources = new MockResources();
         mContext = new TestContextWrapper(getContext());
         setContext(mContext);
 
@@ -302,30 +298,6 @@
         }
     }
 
-    private static class MockResources extends android.test.mock.MockResources {
-        @Override
-        public int getInteger(int id) {
-            switch(id) {
-                case com.android.internal.R.integer.config_mobile_hotspot_provision_check_period:
-                    return TEST_CHECK_PERIOD;
-                default:
-                    return 0;
-            }
-        }
-
-        @Override
-        public String getString(int id) {
-            switch(id) {
-                case com.android.internal.R.string.config_mobile_hotspot_provision_response:
-                    return TEST_RESPONSE_ACTION;
-                case com.android.internal.R.string.config_mobile_hotspot_provision_app_no_ui:
-                    return TEST_NO_UI_ACTION;
-                default:
-                    return null;
-            }
-        }
-    }
-
     private class TestContextWrapper extends ContextWrapper {
 
         public TestContextWrapper(Context base) {
@@ -333,11 +305,6 @@
         }
 
         @Override
-        public Resources getResources() {
-            return mResources;
-        }
-
-        @Override
         public SharedPreferences getSharedPreferences(String name, int mode) {
             // Stub out prefs to control the persisted tether type list.
             if (name == "tetherPrefs") {