private JdbcTaskRepository createRepositoryForForZone(
      TaskResolver defaultTaskResolver, String zoneId) {

    ZoneSpecificJdbcCustomization jdbcCustomization =
        new ZoneSpecificJdbcCustomization(
            getJdbcCustomization().orElse(new AutodetectJdbcCustomization(getDataSource())),
            GregorianCalendar.getInstance(TimeZone.getTimeZone(zoneId)));
    return createRepositoryForJdbcCustomization(defaultTaskResolver, jdbcCustomization);
  }
Very uncertain on how to verify that the timestamp is stored in UTC. The asserts in this test
will likely always work, but at least the code for storing in UTC is exercised.
db-scheduler/src/test/java/com/github/kagkarlsson/scheduler/compatibility/CompatibilityTest.java