import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
import java.util.HashMap;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
-
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;