@Test
public void testBackfillHalt() {

  var backfillId = "backfill-2";
  when(client.backfillHalt(backfillId, false))
      .thenReturn(CompletableFuture.completedFuture(null));
  CliMain.run(cliContext, "backfill", "halt", backfillId);
  verify(client).backfillHalt(backfillId, false);
}