private JdbcTaskRepository createRepositoryForJdbcCustomization(
      TaskResolver defaultTaskResolver, JdbcCustomization jdbcCustomization) {
    return new JdbcTaskRepository(
        getDataSource(),
        commitWhenAutocommitDisabled(),
        jdbcCustomization,
        DEFAULT_TABLE_NAME,
        defaultTaskResolver,
        new SchedulerName.Fixed("scheduler1"),
        false,
        new SystemClock());
  }
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