Teads Video Blackscreen but it has sound in test mode about teadssdk-android HOT 5 CLOSED

public class TestActivity extends AppCompatActivity {

    private InReadAdView videoAds;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test);

        videoAds = findViewById(R.id.teadsAdView);
        videoAds.setPid(Integer.valueOf(getString(R.string.ads_teads_read_page)));
        videoAds.setListener(new TribunTeadsListener());
        ViewGroup group = findViewById(R.id.adContainer);
        videoAds.setAdContainerView(group);
        videoAds.load(new AdSettings.Builder()
                .userConsent("0", "0")
                .pageUrl("http:\\/\\/www.tribunnews.com\\/seleb\\/2019\\/09\\/06\\/vicky-prasetyo-ketahuan-dm-instagram-tamara-bleszynski-tapi-tak-digubris-ini-reaksi-teuku-rassya")
                .enableValidationMode()
                .build());
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.tribunnews.app.TestActivity">
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:padding="8dp">

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/lorem_medium"
                android:textSize="16dp" />

            <FrameLayout
                android:id="@+id/adContainer"
                android:layout_width="match_parent"
                android:layout_height="wrap_content">

                <tv.teads.sdk.android.InReadAdView
                    android:id="@+id/teadsAdView"
                    android:layout_width="wrap_content"
                    android:layout_gravity="center"
                    android:layout_height="wrap_content"/>
            </FrameLayout>
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/lorem_medium"
                android:textSize="16dp"/>
        </LinearLayout>
    </ScrollView>
</LinearLayout>