Add DOTNET_ROOT values for windows integration tests

.azure-pipelines/noop-pipeline.yml

@@ -7,7 +7,7 @@ pr:
 
 # Global variables
 variables:
-  dotnetCoreSdkLatestVersion: 9.0.203
+  dotnetCoreSdkLatestVersion: 10.0.100-preview.6.25358.103
   OriginalCommitId: $[coalesce(variables['System.PullRequest.SourceCommitId'], variables['Build.SourceVersion'])] # required by update-github-status
   TargetBranch: $[variables['System.PullRequest.TargetBranch']]
 

.azure-pipelines/steps/install-dotnet.yml

@@ -53,6 +53,13 @@ steps:
     version: 8.0.x
   retryCountOnTaskFailure: 5
 
+- task: UseDotNet@2
+  displayName: install dotnet core ${{ parameters.packageType }} 8.0
+  inputs:
+    packageType: ${{ parameters.packageType }}
+    version: 9.0.x
+  retryCountOnTaskFailure: 5
+
 - task: UseDotNet@2
   displayName: install latest dotnet core sdk
   inputs: