Run dnup tests in the dnup branch pipeline if only dnup code changed

.vsts-dnup-pr.yml

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+# Pipeline: https://dev.azure.com/dnceng-public/public/
+
+trigger: none
+
+pr:
+  branches:
+    include:
+      - dnup
+  paths:
+    include:
+      - src/Installer/dnup/
+      - test/dnup.Tests/
+      - global.json
+      - .vsts-dnup-tests.yml
+
+parameters:
+- name: enableArm64Job
+  displayName: Enables the ARM64 job
+  type: boolean
+  default: true
+
+variables:
+- template: /eng/pipelines/templates/variables/sdk-defaults.yml
+  # Variables used: DncEngPublicBuildPool
+- template: /eng/common/templates/variables/pool-providers.yml
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+
+stages:
+- stage: dnup
+  displayName: 🔎 dnup tests
+  jobs:
+  ############### WINDOWS ###############
+  - template: /eng/pipelines/templates/jobs/dnup-tests.yml@self
+    parameters:
+      pool:
+        name: $(DncEngPublicBuildPool)
+        demands: ImageOverride -equals windows.vs2022.amd64.open
+        os: windows
+
+  ############### LINUX ###############
+  - template: /eng/pipelines/templates/jobs/dnup-tests.yml@self
+    parameters:
+      os: linux
+      pool:
+        name: $(DncEngPublicBuildPool)
+        demands: ImageOverride -equals build.ubuntu.2204.amd64.open
+
+  ############### MACOS ###############
+  - template: /eng/pipelines/templates/jobs/dnup-tests.yml@self
+    parameters:
+      os: macOS
+      pool:
+        name: Azure Pipelines
+        vmImage: macOS-latest
+
+  ### ARM64 ###
+    - ${{ if eq(parameters.enableArm64Job, true) }}:
+    - template: /eng/pipelines/templates/jobs/sdk-job-matrix.yml
+      parameters:
+        pool:
+          name: Azure Pipelines
+          vmImage: macOS-latest
+          os: macOS
+        helixTargetQueue: osx.13.arm64.open
+        macOSJobParameterSets:
+        - categoryName: TestBuild
+          targetArchitecture: arm64
+          runtimeIdentifier: osx-arm64
+

eng/pipelines/templates/jobs/dnup-tests.yml

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+parameters:
+  # Basic parameters mirroring style of other job templates
+  pool: {}
+  categoryName: dnupTests
+  dependsOn: ''
+  variables: {}
+  oneESCompat:
+    templateFolderName: templates
+    publishTaskPrefix: ''
+  timeoutInMinutes: 60
+  os: windows
+
+jobs:
+- job: ${{ parameters.categoryName }}_${{ parameters.os }}
+  displayName: 'dnup tests: ${{ parameters.os }}'
+  timeoutInMinutes: ${{ parameters.timeoutInMinutes }}
+  pool: ${{ parameters.pool }}
+  dependsOn: ${{ parameters.dependsOn }}
+  variables:
+  - ${{ insert }}: ${{ parameters.variables }}
+  steps:
+  - ${{ if eq(parameters.os, 'windows') }}:
+    - powershell: |
+        Write-Host "Restoring dnup tests"
+        dotnet restore test/dnup.Tests/dnup.Tests.csproj
+      displayName: Restore
+    - powershell: |
+        dotnet build test/dnup.Tests/dnup.Tests.csproj -c Release --no-restore
+      displayName: Build
+    - powershell: |
+        dotnet test test/dnup.Tests/dnup.Tests.csproj -c Release --no-build --logger "trx;LogFileName=dnup-tests.trx" --results-directory $(Build.SourcesDirectory)/artifacts/dnupTestResults
+      displayName: Test
+  - ${{ if ne(parameters.os, 'windows') }}:
+    - script: |
+        echo "Restoring dnup tests"
+        dotnet restore test/dnup.Tests/dnup.Tests.csproj
+      displayName: Restore
+    - script: |
+        dotnet build test/dnup.Tests/dnup.Tests.csproj -c Release --no-restore
+      displayName: Build
+    - script: |
+        dotnet test test/dnup.Tests/dnup.Tests.csproj -c Release --no-build --logger "trx;LogFileName=dnup-tests.trx" --results-directory $(Build.SourcesDirectory)/artifacts/dnupTestResults
+      displayName: Test
+  - task: PublishTestResults@2
+    displayName: Publish dnup test results
+    condition: always()
+    inputs:
+      testResultsFormat: VSTest
+      testResultsFiles: '**/dnup-tests.trx'
+      searchFolder: $(Build.SourcesDirectory)/artifacts/dnupTestResults
+      testRunTitle: 'dnup ${{ parameters.os }}'
+  - task: PublishBuildArtifacts@1
+    displayName: Publish dnup test artifacts
+    condition: always()
+    inputs:
+      PathtoPublish: $(Build.SourcesDirectory)/artifacts/dnupTestResults
+      ArtifactName: dnupTestResults_${{ parameters.os }}
+      publishLocation: Container