message: Flaky unit test.
diff: @@ -610,9 +610,11 @@ mod tests {
  assert!(num_segments <= 4);
  let num_components_except_deletes_and_tempstore =
  crate::core::SegmentComponent::iterator().len() - 2;
  - assert_eq!(
  - num_segments * num_components_except_deletes_and_tempstore,
  - mmap_directory.get_cache_info().mmapped.len()
  + let num_mmapped = mmap_directory.get_cache_info().mmapped.len();
  + assert!(
  + num_mmapped <= num_segments * num_components_except_deletes_and_tempstore,
  + "Expected at most {} mmapped files, got {num_mmapped}",
  + num_segments * num_components_except_deletes_and_tempstore
  );
  }
  // This test failed on CI. The last Mmap is dropped from the merging thread so there might
  