@Test
public void Db_verifyInvalidLogin() {

    final DBAuthenticator dbAuthenticator = new DBAuthenticator(
            ORG_H2_DRIVER,
            JDBC_H2_MEM_TEST,
            "SELECT PASSWORD FROM ACCOUNT WHERE LOGIN=?",
            SHA_256);
    assertFalse(dbAuthenticator.checkValid(null, "dbuser2", "password".getBytes()));
}