Revert "Add WiX v3 to Windows 2022. (#4448)" (#4604)

This reverts commit 4672cb208d.

images/win/scripts/Tests/Tools.Tests.ps1

@@ -182,12 +182,6 @@ Describe "WebPlatformInstaller" -Skip:(Test-IsWin22) {
     }
 }
 
-Describe "WiX" {
-    It "WiX directory exists" {
-      $env:WIX | Should -Exist
-    }
-}
-
 Describe "Zstd" {
     It "zstd" {
         "zstd -V" | Should -ReturnZeroExitCode

images/win/scripts/Tests/Wix.Tests.ps1

@@ -0,0 +1,23 @@
+Describe "Wix" -Skip:(Test-IsWin22) {
+    BeforeAll {
+      $regKey = "HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*"
+      $installedApplications = Get-ItemProperty -Path $regKey
+      $version = ($installedApplications | Where-Object { $_.DisplayName -and $_.DisplayName.toLower().Contains("wix") } | Select-Object -First 1).DisplayVersion
+    }
+
+    It "Wix Toolset version from registry" {
+      $version | Should -Not -BeNullOrEmpty
+    }
+
+    It "Wix Toolset version from system" {
+      if (Test-IsWin19)
+      {
+        $exVersion = Get-VSExtensionVersion -packageName "WixToolset.VisualStudioExtension.Dev16"
+      }
+      else
+      {
+        $exVersion = Get-VSExtensionVersion -packageName "WixToolset.VisualStudioExtension.Dev15"
+      }
+      $exVersion | Should -Not -BeNullOrEmpty
+    }
+}