(maint) Add ability to skip tests when not running in VM

This commit updates the vagrant image and Invoke-Tests to handle
scenarios where tests has been added that should not run outside of
one of the virtual machines that we have available.

Invoke-Tests.ps1

@@ -93,7 +93,17 @@ try {
             Verbosity = 'Minimal'
         }
         Filter     = @{
-            ExcludeTag = 'Background', 'Licensed', 'CCM', 'WIP', 'NonAdmin', 'Internal'
+            ExcludeTag = @(
+                'Background'
+                'Licensed'
+                'CCM'
+                'WIP'
+                'NonAdmin'
+                'Internal'
+                if (-not $env:VM_RUNNING -and -not $env:TEST_KITCHEN) {
+                    'VMOnly'
+                }
+            )
         }
     }
 

tests/Vagrantfile

@@ -60,6 +60,7 @@ Vagrant.configure("2") do |config|
 
     Write-Host "Build complete. Executing tests."
     # $env:TEST_KITCHEN = 1
+    $env:VM_RUNNING = 1
     ./Invoke-Tests.ps1
   SHELL
 end

tests/chocolatey-tests/choco-upgrade.Tests.ps1

@@ -120,7 +120,7 @@ Describe "choco upgrade" -Tag Chocolatey, UpgradeCommand {
         }
     }
 
-    Context "Upgrading packages while remembering arguments with only one package using arguments" {
+    Context "Upgrading packages while remembering arguments with only one package using arguments" -Tag Internal {
         BeforeAll {
             Restore-ChocolateyInstallSnapshot
 
@@ -156,7 +156,7 @@ Describe "choco upgrade" -Tag Chocolatey, UpgradeCommand {
 
     # We exclude this test when running CCM, as it will install and remove
     # the firefox package which is used through other tests that will be affected.
-    Context "Upgrading packages while remembering arguments with multiple packages using arguments" -Tag CCMExcluded {
+    Context "Upgrading packages while remembering arguments with multiple packages using arguments" -Tag CCMExcluded, Internal, VMOnly {
         BeforeAll {
             Restore-ChocolateyInstallSnapshot
 
@@ -195,7 +195,7 @@ Describe "choco upgrade" -Tag Chocolatey, UpgradeCommand {
         }
 
         It 'Outputs firefox using eu as language locale' {
-            $Output.Lines | Should -Contain "Using locale 'eu'..."
+            $Output.Lines | Should -Contain "Using locale 'eu'..." -Because $Output.String
         }
 
         It 'Outputs running firefox script with correct arguments' {