CsipSetCoordinator: stop calling NativeInterface in test

Bug: 295237486
Test: atest CsipSetCoordinatorServiceTest
Test: atest CsipSetCoordinatorStateMachineTest
Change-Id: Id6bc62a225422cd7325830e43781a5c9d3913d49

android/app/src/com/android/bluetooth/csip/CsipSetCoordinatorNativeInterface.java

@@ -35,11 +35,17 @@ public class CsipSetCoordinatorNativeInterface {
     private static final boolean DBG = false;
     private BluetoothAdapter mAdapter;
 
-    @GuardedBy("INSTANCE_LOCK") private static CsipSetCoordinatorNativeInterface sInstance;
+    @GuardedBy("INSTANCE_LOCK")
+    private static CsipSetCoordinatorNativeInterface sInstance;
+
     private static final Object INSTANCE_LOCK = new Object();
 
     static {
-        classInitNative();
+        if (Utils.isInstrumentationTestMode()) {
+            Log.w(TAG, "App is instrumented. Skip loading the native");
+        } else {
+            classInitNative();
+        }
     }
 
     private CsipSetCoordinatorNativeInterface() {
@@ -61,6 +67,14 @@ public class CsipSetCoordinatorNativeInterface {
         }
     }
 
+    /** Set singleton instance. */
+    @VisibleForTesting
+    public static void setInstance(CsipSetCoordinatorNativeInterface instance) {
+        synchronized (INSTANCE_LOCK) {
+            sInstance = instance;
+        }
+    }
+
     /**
      * Initializes the native interface.
      *

android/app/tests/unit/src/com/android/bluetooth/csip/CsipSetCoordinatorServiceTest.java

@@ -103,8 +103,8 @@ public class CsipSetCoordinatorServiceTest {
 
         mAdapter = BluetoothAdapter.getDefaultAdapter();
 
+        CsipSetCoordinatorNativeInterface.setInstance(mCsipSetCoordinatorNativeInterface);
         startService();
-        mService.mCsipSetCoordinatorNativeInterface = mCsipSetCoordinatorNativeInterface;
         mService.mServiceFactory = mServiceFactory;
         when(mServiceFactory.getLeAudioService()).thenReturn(mLeAudioService);
 
@@ -158,6 +158,7 @@ public class CsipSetCoordinatorServiceTest {
         }
 
         stopService();
+        CsipSetCoordinatorNativeInterface.setInstance(null);
         mTargetContext.unregisterReceiver(mCsipSetCoordinatorIntentReceiver);
         TestUtils.clearAdapterService(mAdapterService);
         mIntentQueue.clear();