[improvement][headless]Remove fixed TimeEnums fields.

launchers/standalone/src/test/java/com/tencent/supersonic/headless/BaseTest.java

@@ -89,6 +89,7 @@ public class BaseTest extends BaseApplication {
         dateConf.setDateMode(DateMode.BETWEEN);
         dateConf.setEndDate(now().plusDays(0).toString());
         dateConf.setStartDate(now().plusDays(-365).toString());
+        dateConf.setDateField("imp_date");
         queryStructReq.setDateInfo(dateConf);
 
         List<Order> orders = new ArrayList<>();

launchers/standalone/src/test/java/com/tencent/supersonic/util/DataUtils.java

@@ -74,6 +74,7 @@ public class DataUtils {
     public static DateConf getDateConf(DateConf.DateMode dateMode, Integer unit,
             DatePeriodEnum period, String startDate, String endDate) {
         DateConf dateInfo = new DateConf();
+        dateInfo.setDateField("imp_date");
         dateInfo.setUnit(unit);
         dateInfo.setDateMode(dateMode);
         dateInfo.setPeriod(period);