### Question:
ScriptExecutions { public int deleteExecutions(Date upUntil) throws SQLException { if (!ACSVersionCheck.scriptExecutionSupported) { return 0; } Connection connection = null; PreparedStatement ps = null; try { connection = dataSource.getConnection(); DynamicStatement ds = new DynamicStatement(); ds.addSqlAndArguments("DELETE from script_execution WHERE request_timestamp < ?", upUntil); ps = ds.makePreparedStatement(connection); ps.setQueryTimeout(60); return ps.executeUpdate(); } finally { if (ps != null) { ps.close(); } if (connection != null) { connection.close(); } } } ScriptExecutions(DataSource dataSource); void requestExecution(File scriptFile, String scriptArgs, String requestId); void updateExecution(ScriptExecution se); List<ScriptExecution> getNotStartedExecutions(ACS acs, int poolsize); List<ScriptExecution> getExecutions(
      Unittype unittype, Date requestTmsFrom, String requestId); ScriptExecution getById(Unittype unittype, Integer id); ScriptExecution getExecution(Unittype unittype, String requestId); int deleteExecutions(Date upUntil);  }### Answer:
@Test public void deleteExecutions() {}