Update Node.Tests.ps1

tests/Node.Tests.ps1

@@ -1,6 +1,10 @@
 Import-Module (Join-Path $PSScriptRoot "../helpers/pester-extensions.psm1")
 
-BeforeAll {
+
+
+Describe "Node.js" {
+
+    BeforeAll {
         function Get-UseNodeLogs {
             # GitHub Windows images don't have `HOME` variable
             $homeDir = $env:HOME ?? $env:HOMEDRIVE
@@ -12,9 +16,8 @@ BeforeAll {
             } | Select-Object -First 1
             return $useNodeLogFile.Fullname
         }
-}
+    }
     
-Describe "Node.js" {
     It "is available" {
         "node --version" | Should -ReturnZeroExitCode
     }
@@ -35,12 +38,22 @@ Describe "Node.js" {
     }
 
      It "cached version is used without downloading" {
+
+       if ($env:RUNNER_TYPE -eq "self-hosted") {
+            # Get the installed version of Node.js
+            $nodeVersion = Invoke-Expression "node --version"
+            # Check if Node.js is installed
+            $nodeVersion | Should -Not -BeNullOrEmpty
+            # Check if the installed version of Node.js is the expected version
+            $nodeVersion | Should -Match $env:VERSION
+        }else {
             # Analyze output of previous steps to check if Node.js was consumed from cache or downloaded
             $useNodeLogFile = Get-UseNodeLogs
             $useNodeLogFile | Should -Exist
             $useNodeLogContent = Get-Content $useNodeLogFile -Raw
             $useNodeLogContent | Should -Match "Found in cache"
         } 
+    }
     
     It "Run simple code" {
         "node ./simple-test.js" | Should -ReturnZeroExitCode