import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.Mock;
-import org.mockito.Mockito;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;