public boolean deleteTest(int test_id) throws DBException {
		PreparedStatement pstmt = null;
		Connection con = null;
		ResultSet rs = null;
		boolean	deleteStatus = false;

		try {
			con = getConnection();
			pstmt = con.prepareStatement(SQL_DELETE_TEST);
			pstmt.setInt(1, test_id);
			pstmt.executeUpdate();
			con.commit();
			LOG.debug("Test deleted");
			deleteStatus = true;
		} catch (SQLException ex) {
			rollback(con);
			LOG.error("Cannot delete test", ex);
		} finally {
			close (rs);
			close(pstmt);
			close(con);
		}

		return deleteStatus;
	}