Fixing ci error: error:
'tar.test.test.pipeToFileSystem' failed: slices differ. first difference occurs at index 2 (0x2)
============ expected this output: ============= len: 9 (0x9)
2E 2E 2F 61 2F 66 69 6C 65 ../a/file
============= instead found this: ============== len: 9 (0x9)
2E 2E 5C 61 5C 66 69 6C 65 ..\a\file
After #19136 dir.symlink changes path separtors to \ on windows.
8cc35a0255