@Test
void getTimestamp() throws SQLException {

    assertEquals(RS_TIMESTAMP.getValue(), ResultSetUtil.getTimestamp(RESULT_SET, RS_TIMESTAMP.getLabel()));
    assertEquals(RS_TIMESTAMP.getValue(), ResultSetUtil.getTimestamp(RESULT_SET, RS_TIMESTAMP.getIndex()));
    assertNull(ResultSetUtil.getTimestamp(NULL_RESULT_SET, RS_TIMESTAMP.getLabel()));
    assertNull(ResultSetUtil.getTimestamp(NULL_RESULT_SET, RS_TIMESTAMP.getIndex()));
}