Fix test build on case sensitive file systems.
Fix test build on case sensitive file systems.

Emergensys/commandline,Thilas/commandline,kshanafelt/commandline,Emergensys/commandline,nausley/commandline,huoxudong125/commandline,kshanafelt/commandline,huoxudong125/commandline,anthonylangsworth/commandline,Ehryk/commandline,Ehryk/commandline,nausley/commandline,rmboggs/commandline,anthonylangsworth/commandline,Thilas/commandline,rmboggs/commandline