ci: Run skia tests on macOS

.vsts-ci.yml

@@ -30,9 +30,9 @@ resources:
 
 variables:
   DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
-  windowsHostedVMImage: 'windows-2019'
+  windows2019HostedVMImage: 'windows-2019'
   windows2022HostedVMImage: 'windows-2022'
-  windowsScaledPool: 'Windows2019-20201210-0'
+  windowsScaledPool: 'Windows2022-20211130'
   linuxVMImage: 'ubuntu-latest'
   macOSVMImage: 'macOS-10.15'
   xCodeRoot: '/Applications/Xcode_12.3.app'
@@ -63,7 +63,7 @@ jobs:
 
 - template: build/ci/.azure-devops-project-template-tests.yml
   parameters:
-    vmImageWindows: '$(windowsHostedVMImage)'
+    vmImageWindows: '$(windows2019HostedVMImage)'
     vmImageLinux: '$(linuxVMImage)'
 
 - template: build/ci/.azure-devops-uap.yml
@@ -77,7 +77,8 @@ jobs:
 - template: build/ci/.azure-devops-skia-tests.yml
   parameters:
     vmImage: '$(windows2022HostedVMImage)'
-    poolName: '$(windowsScaledPool)'
+    vmMacImage: '$(macOSVMImage)'
+    poolName: '$(windows2022HostedVMImage)'
 
 - template: build/ci/.azure-devops-docs.yml
   parameters:
@@ -103,7 +104,7 @@ jobs:
 
 - template: build/ci/.azure-devops-android-tests.yml
   parameters:
-    vmWindowsImage: '$(windowsHostedVMImage)'
+    vmWindowsImage: '$(windows2019HostedVMImage)'
     vmMacOSImage: '$(macOSVMImage)'
     xCodeRoot: '$(xCodeRoot)'
     XamarinSDKVersion: '$(XamarinSDKVersion)'