Cross Reference: /prebuilts/go/linux-x86/src/cmd/internal/buildid/testdata

`Name`	`Date`	`Size`
Up to higher level directory
`a.elf`	21-Aug-2018	`12.5K`
`a.macho`	21-Aug-2018	`13.2K`
`a.pe`	21-Aug-2018	`3.5K`
`p.a`	21-Aug-2018	`682`