Add RetryTestRule to DrawerActivityIT

Flaky test

Signed-off-by: Álvaro Brey Vilas <alvaro.brey@nextcloud.com>

src/androidTest/java/com/owncloud/android/ui/activity/DrawerActivityIT.java

@@ -27,6 +27,7 @@ import android.accounts.AccountManager;
 import android.net.Uri;
 import android.os.Bundle;
 
+import com.nextcloud.client.RetryTestRule;
 import com.nextcloud.client.account.User;
 import com.nextcloud.client.account.UserAccountManager;
 import com.nextcloud.client.account.UserAccountManagerImpl;
@@ -53,6 +54,9 @@ public class DrawerActivityIT extends AbstractIT {
                                                                                            true,
                                                                                            false);
 
+    @Rule
+    public final RetryTestRule retryTestRule = new RetryTestRule();
+
     private static Account account1;
     private static User user1;
     private static Account account2;