Cross Reference: /external/libcxx/test/std/input.output/filesystems/class.path/path.member/path.modifiers

`Name`	`Date`	`Size`
Up to higher level directory
`clear.pass.cpp`	22-Oct-2020	`935`
`make_preferred.pass.cpp`	22-Oct-2020	`1.1K`
`remove_filename.pass.cpp`	22-Oct-2020	`1.7K`
`replace_extension.pass.cpp`	22-Oct-2020	`1.7K`
`replace_filename.pass.cpp`	22-Oct-2020	`1.7K`
`swap.pass.cpp`	22-Oct-2020	`1.8K`