Rework test

Author: GaryQian

shell/platform/android/test/io/flutter/embedding/engine/renderer/FlutterRendererTest.java

@@ -7,6 +7,7 @@
 
 import android.view.Surface;
 import io.flutter.embedding.engine.FlutterJNI;
+import io.flutter.view.TextureRegistry;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -103,16 +104,16 @@ public void itStopsSurfaceTextureCallbackWhenDetached() {
     // Setup the test.
     FlutterRenderer flutterRenderer = new FlutterRenderer(fakeFlutterJNI);
 
-    flutterRenderer.startRenderingToSurface(fakeSurface);
-    flutterRenderer.stopRenderingToSurface();
-
     fakeFlutterJNI.detachFromNativeAndReleaseResources();
 
+    SurfaceTextureRegistryEntry entry = (TextureRegistry.SurfaceTextureEntry)flutterRenderer.createSurfaceTexture();
+
     flutterRenderer.startRenderingToSurface(fakeSurface);
+
     // Execute the behavior under test.
     flutterRenderer.stopRenderingToSurface();
 
     // Verify behavior under test.
-    verify(fakeFlutterJNI, times(1)).markTextureFrameAvailable(eq(0));
+    verify(fakeFlutterJNI, times(0)).markTextureFrameAvailable(eq(entry.id()));
   }
 }