1. renamed Test-Push-Location to be in line with new naming standards.

2. Set-Location: moved the start directory assignment into a context
block because of powershell/pester quirks

src/pester-tests/Set-Location.Tests.ps1

@@ -1,5 +1,4 @@
 Describe "Set-Location" {
-
     It "Should be able to be called without error" {
         { Set-Location / }    | Should Not Throw
     }