modified to work under jenkins

src/pester-tests/Test-Environment-Variables.Tests.ps1

@@ -4,8 +4,8 @@
     }
 
     It "Should be able to access the members of the environment variable" {
-        $test = /usr/bin/whoami
-        $expected = "/" + $test
+        $expected = /bin/bash -c "cd ~ && pwd"
+
         (Get-Item ENV:HOME).Value     | Should Be $expected
         (Get-Item ENV:HOSTNAME).Value | Should Not BeNullOrEmpty
         (Get-Item ENV:PATH).Value     | Should Not BeNullOrEmpty