Update Windows 2025 version to use specific build number 26100 instead of range

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" }
-        {$_ -ge "25399" -and $_ -le "30397"} { return "test2025" }
+        "26100" { return "test2025" }
         Default {
             Set-ExitCode -ExitCode $global:WINDOWS_CSE_ERROR_NOT_FOUND_BUILD_NUMBER -ErrorMessage "Failed to find the windows build number: $buildNumber"
         }
@@ -392,7 +392,7 @@ function Get-WindowsPauseVersion {
         "17763" { return "1809" }
         "20348" { return "ltsc2022" }
         "25398" { return "ltsc2022" }
-        {$_ -ge "25399" -and $_ -le "30397"} { return "ltsc2022" }
+        "26100" { return "ltsc2022" }
         Default {
             Set-ExitCode -ExitCode $global:WINDOWS_CSE_ERROR_NOT_FOUND_BUILD_NUMBER -ErrorMessage "Failed to find the windows build number: $buildNumber"
         }

parts/windows/windowscsehelper.tests.ps1

@@ -156,18 +156,21 @@ Describe 'Get-WindowsVersion and Get-WindowsPauseVersion' {
     $windowsVersion | Should -Be $expectedVersion
   }
 
-  It 'build number is from prerelease of windows 2025' {
-    Mock Get-WindowsBuildNumber -MockWith { return "25399" }
+  It 'build number is from Windows 2025' {
+    Mock Get-WindowsBuildNumber -MockWith { return "26100" }
     $windowsVersion = Get-WindowsVersion
     $expectedVersion = "test2025"
     $windowsVersion | Should -Be $expectedVersion
   }
 
-  It 'build number is from prerelease of windows 2025' {
+  It 'build number is from prerelease of windows 2025 (should now fail)' {
     Mock Get-WindowsBuildNumber -MockWith { return "30397" }
-    $windowsVersion = Get-WindowsVersion
-    $expectedVersion = "test2025"
-    $windowsVersion | Should -Be $expectedVersion
+    try {
+      $windowsVersion = Get-WindowsVersion
+    } catch {
+      Write-Host "Expected exception: $_"
+    }
+    Assert-MockCalled -CommandName 'Set-ExitCode' -Exactly -Times 1 -ParameterFilter { $ExitCode -eq $global:WINDOWS_CSE_ERROR_NOT_FOUND_BUILD_NUMBER }
   }
 
   It 'build number is unknown' {
@@ -180,18 +183,21 @@ Describe 'Get-WindowsVersion and Get-WindowsPauseVersion' {
     Assert-MockCalled -CommandName 'Set-ExitCode' -Exactly -Times 1 -ParameterFilter { $ExitCode -eq $global:WINDOWS_CSE_ERROR_NOT_FOUND_BUILD_NUMBER }
   }
 
-  It 'build number is from prerelease of windows 2025' {
-    Mock Get-WindowsBuildNumber -MockWith { return "25399" }
+  It 'build number is from Windows 2025' {
+    Mock Get-WindowsBuildNumber -MockWith { return "26100" }
     $windowsPauseVersion = Get-WindowsPauseVersion
     $expectedPauseVersion = "ltsc2022"
     $windowsPauseVersion | Should -Be $expectedPauseVersion
   }
 
-  It 'build number is from prerelease of windows 2025' {
+  It 'build number is from prerelease of windows 2025 (should now fail)' {
     Mock Get-WindowsBuildNumber -MockWith { return "30397" }
-    $windowsPauseVersion = Get-WindowsPauseVersion
-    $expectedPauseVersion = "ltsc2022"
-    $windowsPauseVersion | Should -Be $expectedPauseVersion
+    try {
+      $windowsPauseVersion = Get-WindowsPauseVersion
+    } catch {
+      Write-Host "Expected exception: $_"
+    }
+    Assert-MockCalled -CommandName 'Set-ExitCode' -Exactly -Times 1 -ParameterFilter { $ExitCode -eq $global:WINDOWS_CSE_ERROR_NOT_FOUND_BUILD_NUMBER }
   }
 }