Fix Pester path for Travis
Fix Pester path for Travis

daxian-dbw/PowerShell,KarolKaczmarek/PowerShell,bingbing8/PowerShell,TravisEz13/PowerShell,KarolKaczmarek/PowerShell,PaulHigin/PowerShell,kmosher/PowerShell,JamesWTruher/PowerShell-1,bmanikm/PowerShell,KarolKaczmarek/PowerShell,bmanikm/PowerShell,kmosher/PowerShell,TravisEz13/PowerShell,bmanikm/PowerShell,KarolKaczmarek/PowerShell,bingbing8/PowerShell,TravisEz13/PowerShell,daxian-dbw/PowerShell,jsoref/PowerShell,JamesWTruher/PowerShell-1,bingbing8/PowerShell,TravisEz13/PowerShell,daxian-dbw/PowerShell,bingbing8/PowerShell,kmosher/PowerShell,KarolKaczmarek/PowerShell,JamesWTruher/PowerShell-1,JamesWTruher/PowerShell-1,PaulHigin/PowerShell,bmanikm/PowerShell,daxian-dbw/PowerShell,jsoref/PowerShell,PaulHigin/PowerShell,jsoref/PowerShell,kmosher/PowerShell,bmanikm/PowerShell,PaulHigin/PowerShell,jsoref/PowerShell,jsoref/PowerShell,bingbing8/PowerShell,kmosher/PowerShell