@Test
public void timestampFiltersAreAdapted() {

  TimestampRangeFilter filter = new TimestampRangeFilter(10L, 20L);
  Filters.Filter expectedFilter = filterAdapter.adapt(emptyScanContext, filter);
  TimestampRange expectedTimestampFilter = expectedFilter.toProto().getTimestampRangeFilter();
  Assert.assertEquals(10000L, expectedTimestampFilter.getStartTimestampMicros());
  Assert.assertEquals(20000L, expectedTimestampFilter.getEndTimestampMicros());
}