diff --git a/tests/src/com/android/phone/CarrierConfigLoaderTest.java b/tests/src/com/android/phone/CarrierConfigLoaderTest.java
index b670de5..5190b21 100644
--- a/tests/src/com/android/phone/CarrierConfigLoaderTest.java
+++ b/tests/src/com/android/phone/CarrierConfigLoaderTest.java
@@ -41,7 +41,6 @@
 import android.content.res.Resources;
 import android.os.Build;
 import android.os.Handler;
-import android.os.HandlerThread;
 import android.os.PermissionEnforcer;
 import android.os.PersistableBundle;
 import android.os.UserHandle;
@@ -51,10 +50,10 @@
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.telephony.TelephonyRegistryManager;
+import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
 import androidx.test.InstrumentationRegistry;
-import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import com.android.TelephonyTestBase;
 import com.android.internal.telephony.IccCardConstants;
@@ -80,7 +79,8 @@
 /**
  * Unit Test for CarrierConfigLoader.
  */
-@RunWith(AndroidJUnit4.class)
+@RunWith(AndroidTestingRunner.class)
+@TestableLooper.RunWithLooper(setAsMainLooper = true)
 public class CarrierConfigLoaderTest extends TelephonyTestBase {
     @Rule
     public TestRule compatChangeRule = new PlatformCompatChangeRule();
@@ -107,7 +107,6 @@
     private TelephonyManager mTelephonyManager;
     private CarrierConfigLoader mCarrierConfigLoader;
     private Handler mHandler;
-    private HandlerThread mHandlerThread;
     private TestableLooper mTestableLooper;
 
     // The AIDL stub will use PermissionEnforcer to check permission from the caller.
@@ -149,10 +148,7 @@
         when(mContext.getSystemService(TelephonyRegistryManager.class)).thenReturn(
                 mTelephonyRegistryManager);
 
-        mHandlerThread = new HandlerThread("CarrierConfigLoaderTest");
-        mHandlerThread.start();
-
-        mTestableLooper = new TestableLooper(mHandlerThread.getLooper());
+        mTestableLooper = TestableLooper.get(this);
         mCarrierConfigLoader = new CarrierConfigLoader(mContext, mTestableLooper.getLooper(),
                 mFeatureFlags);
         mHandler = mCarrierConfigLoader.getHandler();
@@ -167,8 +163,6 @@
         mFakePermissionEnforcer.revoke(android.Manifest.permission.DUMP);
         mFakePermissionEnforcer.revoke(android.Manifest.permission.MODIFY_PHONE_STATE);
         mFakePermissionEnforcer.revoke(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE);
-        mTestableLooper.destroy();
-        mHandlerThread.quit();
         super.tearDown();
     }