cache.evictAll()

    // Create a new value in its place.
    set("k1", "ccc", "ccc")
    assertThat(cache.size()).isEqualTo(6)

    // Committing the detached editor should not change the cache's size.
    editor.commit()
    assertThat(cache.size()).isEqualTo(6)
    assertValue("k1", "ccc", "ccc")
  }

  @ParameterizedTest
  @ArgumentsSource(FileSystemParamProvider::class)

		{testBuckets[5], "201910/foo/bar/xl.meta/1.txt", "content", nil},
		{testBuckets[6], "aaa", "content", nil},
		{testBuckets[6], "bbb_aaa", "content", nil},
		{testBuckets[6], "bbb_aaa", "content", nil},
		{testBuckets[6], "ccc", "content", nil},
	}
	for _, object := range testObjects {
		md5Bytes := md5.Sum([]byte(object.content))
		_, err = obj.PutObject(context.Background(), object.parentBucket, object.name,