diff --git a/tests/unit/java/com/android/server/VpnManagerServiceTest.java b/tests/unit/java/com/android/server/VpnManagerServiceTest.java
index 164f825..c814cc5 100644
--- a/tests/unit/java/com/android/server/VpnManagerServiceTest.java
+++ b/tests/unit/java/com/android/server/VpnManagerServiceTest.java
@@ -231,4 +231,14 @@
     private void onPackageRemoved(String packageName, int uid, boolean isReplacing) {
         onPackageRemoved(packageName, UserHandle.USER_SYSTEM, uid, isReplacing);
     }
+
+    @Test
+    public void testReceiveIntentFromNonHandlerThread() {
+        assertThrows(IllegalStateException.class, () ->
+                mIntentReceiver.onReceive(mContext, buildIntent(Intent.ACTION_PACKAGE_REMOVED,
+                        PKGS[0], UserHandle.USER_SYSTEM, PKG_UIDS[0], true /* isReplacing */)));
+
+        assertThrows(IllegalStateException.class, () ->
+                mUserPresentReceiver.onReceive(mContext, new Intent(Intent.ACTION_USER_PRESENT)));
+    }
 }