Update Windows 2025 version from "test2025" to "2025"

Co-authored-by: smith1511 <1001494+smith1511@users.noreply.github.com>

Author: Copilot

parts/windows/windowscsehelper.ps1

@@ -379,7 +379,7 @@ function Get-WindowsVersion {
         "17763" { return "1809" }
         "20348" { return "ltsc2022" }
         "25398" { return "23H2" }
-        "26100" { return "test2025" }
+        "26100" { return "2025" }
         Default {
             Set-ExitCode -ExitCode $global:WINDOWS_CSE_ERROR_NOT_FOUND_BUILD_NUMBER -ErrorMessage "Failed to find the windows build number: $buildNumber"
         }
@@ -413,7 +413,7 @@ function Install-Containerd-Based-On-Kubernetes-Version {
     $KubernetesVersion
   )
 
-  # Get the current Windows version, this is interim since we are progressively supporting containerd 2.0 for all Windows version. for now only test2025
+  # Get the current Windows version, this is interim since we are progressively supporting containerd 2.0 for all Windows version. for now only 2025
   $windowsVersion = Get-WindowsVersion
   Write-Log "Install Containerd with ContainerdURL: $ContainerdUrl, KubernetesVersion: $KubernetesVersion, WindowsVersion: $windowsVersion" 
   Logs-To-Event -TaskName "AKS.WindowsCSE.InstallContainerdBasedOnKubernetesVersion" -TaskMessage "Start to install ContainerD based on kubernetes version. ContainerdUrl: $global:ContainerdUrl, KubernetesVersion: $global:KubeBinariesVersion, Windows Version: $windowsVersion"
@@ -428,7 +428,7 @@ function Install-Containerd-Based-On-Kubernetes-Version {
   if ($ContainerdUrl.EndsWith("/")) {
     $containerdPackage=$global:StableContainerdPackage
      # Check if we have Windows Server 2025 (not official yet and hence the SKU, as opposed to official name like 23H2 ) and Kubernetes version >= 1.33.0
-    if ($windowsVersion -eq "test2025" -and ([version]$KubernetesVersion).CompareTo([version]$global:MinimalKubernetesVersionWithLatestContainerd2) -ge 0) {
+    if ($windowsVersion -eq "2025" -and ([version]$KubernetesVersion).CompareTo([version]$global:MinimalKubernetesVersionWithLatestContainerd2) -ge 0) {
         $containerdPackage = $global:LatestContainerd2Package
     } elseif (([version]$KubernetesVersion).CompareTo([version]$global:MinimalKubernetesVersionWithLatestContainerd) -ge 0) {
         $containerdPackage=$global:LatestContainerdPackage

parts/windows/windowscsehelper.tests.ps1

@@ -38,7 +38,7 @@ Describe 'Install-Containerd-Based-On-Kubernetes-Version' {
   }
 
   Context 'Windows Server 2022 (ltsc2022)' {
-    # for windows versions other than test2025, containerd version is not changed and should not include containerd2
+    # for windows versions other than 2025, containerd version is not changed and should not include containerd2
     BeforeAll {
       Mock Get-WindowsVersion -MockWith { return "ltsc2022" }
     }
@@ -74,10 +74,10 @@ Describe 'Install-Containerd-Based-On-Kubernetes-Version' {
     }
   }
 
-  Context 'Windows Server 2025 (test2025)' {
-    # for windows versions other than test2025, containerd version is not changed and should not include containerd2
+  Context 'Windows Server 2025 (2025)' {
+    # for windows versions other than 2025, containerd version is not changed and should not include containerd2
     BeforeAll {
-      Mock Get-WindowsVersion -MockWith { return "test2025" }
+      Mock Get-WindowsVersion -MockWith { return "2025" }
     }
 
     It 'k8s version is less to MinimalKubernetesVersionWithLatestContainerd2' {
@@ -159,7 +159,7 @@ Describe 'Get-WindowsVersion and Get-WindowsPauseVersion' {
   It 'build number is from Windows 2025' {
     Mock Get-WindowsBuildNumber -MockWith { return "26100" }
     $windowsVersion = Get-WindowsVersion
-    $expectedVersion = "test2025"
+    $expectedVersion = "2025"
     $windowsVersion | Should -Be $expectedVersion
   }