[C++][FS][Azure] Empty/GetFileInfoSelectorWithRecursion generic tests are broken with Azure hierarchical namespace support

[kou]

Describe the bug, including details regarding any error messages, version, and platform.

Empty:

[ RUN      ] TestAzureHierarchicalNSGeneric.Empty
/home/kou/work/cpp/arrow.kou/cpp/src/arrow/result.cc:28: ValueOrDie called on an error: IOError: Path does not exist 'agikasj1xxp3jbao7nzxokhflwmbkl22/'
/home/kou/work/cpp/arrow.kou/cpp/src/arrow/filesystem/azurefs.cc:2973  impl_->GetFileInfoWithSelector(context, page_size_hint, select, &results)
/home/kou/work/cpp/arrow.kou/cpp/src/arrow/filesystem/filesystem.cc:366  base_fs_->GetFileInfo(selector). Detail: [errno 2] No such file or directory

GetFileInfoSelectorWithRecursion:

[ RUN      ] TestAzureHierarchicalNSGeneric.GetFileInfoSelectorWithRecursion
/home/kou/work/cpp/arrow.kou/cpp/src/arrow/filesystem/test_util.cc:841: Failure
Value of: infos
Expected: has 3 elements where
element #0 is equal to FileInfo(FileType::File, 00.file, -1, -1),
element #1 is equal to FileInfo(FileType::Directory, 01, -1, -1),
element #2 is equal to FileInfo(FileType::Directory, AA, -1, -1)
  Actual: { FileInfo(FileType::File, 00.file, -1, -1), FileInfo(FileType::Directory, 01, -1, -1), FileInfo(FileType::File, 01/01.file, -1, -1), FileInfo(FileType::Directory, 01/02, -1, -1), FileInfo(FileType::File, 01/02/02.file, -1, -1), FileInfo(FileType::Directory, 01/02/03, -1, -1), FileInfo(FileType::File, 01/02/03/03.file, -1, -1), FileInfo(FileType::Directory, 01/02/03/04, -1, -1), FileInfo(FileType::File, 01/02/03/04/04.file, -1, -1), FileInfo(FileType::Directory, AA, -1, -1), FileInfo(FileType::File, AA/AA.file, -1, -1) }, which has 11 elements
/home/kou/work/cpp/arrow.kou/cpp/src/arrow/filesystem/test_util.cc:846: Failure
Value of: infos
Expected: has 6 elements where
element #0 is equal to FileInfo(FileType::File, 00.file, -1, -1),
element #1 is equal to FileInfo(FileType::Directory, 01, -1, -1),
element #2 is equal to FileInfo(FileType::File, 01/01.file, -1, -1),
element #3 is equal to FileInfo(FileType::Directory, 01/02, -1, -1),
element #4 is equal to FileInfo(FileType::Directory, AA, -1, -1),
element #5 is equal to FileInfo(FileType::File, AA/AA.file, -1, -1)
  Actual: { FileInfo(FileType::File, 00.file, -1, -1), FileInfo(FileType::Directory, 01, -1, -1), FileInfo(FileType::File, 01/01.file, -1, -1), FileInfo(FileType::Directory, 01/02, -1, -1), FileInfo(FileType::File, 01/02/02.file, -1, -1), FileInfo(FileType::Directory, 01/02/03, -1, -1), FileInfo(FileType::File, 01/02/03/03.file, -1, -1), FileInfo(FileType::Directory, 01/02/03/04, -1, -1), FileInfo(FileType::File, 01/02/03/04/04.file, -1, -1), FileInfo(FileType::Directory, AA, -1, -1), FileInfo(FileType::File, AA/AA.file, -1, -1) }, which has 11 elements
/home/kou/work/cpp/arrow.kou/cpp/src/arrow/filesystem/test_util.cc:852: Failure
Value of: infos
Expected: has 8 elements where
element #0 is equal to FileInfo(FileType::File, 00.file, -1, -1),
element #1 is equal to FileInfo(FileType::Directory, 01, -1, -1),
element #2 is equal to FileInfo(FileType::File, 01/01.file, -1, -1),
element #3 is equal to FileInfo(FileType::Directory, 01/02, -1, -1),
element #4 is equal to FileInfo(FileType::File, 01/02/02.file, -1, -1),
element #5 is equal to FileInfo(FileType::Directory, 01/02/03, -1, -1),
element #6 is equal to FileInfo(FileType::Directory, AA, -1, -1),
element #7 is equal to FileInfo(FileType::File, AA/AA.file, -1, -1)
  Actual: { FileInfo(FileType::File, 00.file, -1, -1), FileInfo(FileType::Directory, 01, -1, -1), FileInfo(FileType::File, 01/01.file, -1, -1), FileInfo(FileType::Directory, 01/02, -1, -1), FileInfo(FileType::File, 01/02/02.file, -1, -1), FileInfo(FileType::Directory, 01/02/03, -1, -1), FileInfo(FileType::File, 01/02/03/03.file, -1, -1), FileInfo(FileType::Directory, 01/02/03/04, -1, -1), FileInfo(FileType::File, 01/02/03/04/04.file, -1, -1), FileInfo(FileType::Directory, AA, -1, -1), FileInfo(FileType::File, AA/AA.file, -1, -1) }, which has 11 elements
/home/kou/work/cpp/arrow.kou/cpp/src/arrow/filesystem/test_util.cc:865: Failure
Value of: infos
Expected: has 4 elements where
element #0 is equal to FileInfo(FileType::File, 01/01.file, -1, -1),
element #1 is equal to FileInfo(FileType::Directory, 01/02, -1, -1),
element #2 is equal to FileInfo(FileType::File, 01/02/02.file, -1, -1),
element #3 is equal to FileInfo(FileType::Directory, 01/02/03, -1, -1)
  Actual: { FileInfo(FileType::File, 01/01.file, -1, -1), FileInfo(FileType::Directory, 01/02, -1, -1), FileInfo(FileType::File, 01/02/02.file, -1, -1), FileInfo(FileType::Directory, 01/02/03, -1, -1), FileInfo(FileType::File, 01/02/03/03.file, -1, -1), FileInfo(FileType::Directory, 01/02/03/04, -1, -1), FileInfo(FileType::File, 01/02/03/04/04.file, -1, -1) }, which has 7 elements
[  FAILED  ] TestAzureHierarchicalNSGeneric.GetFileInfoSelectorWithRecursion (1186 ms)

I think that this is a regression in #41068.

Component(s)

C++