Make CLI end-to-end tests PR-only in GitHub Actions

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: radical

eng/Testing.props

@@ -11,6 +11,9 @@
     <!-- Detect if we're running in the context of a GitHub pull request -->
     <IsGithubPullRequest Condition="'$(GITHUB_EVENT_NAME)' == 'pull_request'">true</IsGithubPullRequest>
 
+    <!-- See https://docs.github.com/actions/writing-workflows/choosing-what-your-workflow-does/store-information-in-variables#default-environment-variables -->
+    <IsGitHubActionsRunner Condition="'$(GITHUB_ACTIONS)' == 'true'">true</IsGitHubActionsRunner>
+
     <!-- By default any test can run on all test platforms -->
     <RunOnGithubActionsWindows>true</RunOnGithubActionsWindows>
     <RunOnGithubActionsLinux>true</RunOnGithubActionsLinux>

eng/Testing.targets

@@ -2,7 +2,6 @@
 
   <!--
       Environment variables:
-        - IsGitHubActionsRunner:       indicates whether tests are currently run on GitHub Actions; computed, overridable. Locally this can be set by "/p:GITHUB_ACTIONS=true".
         - IsAzdoCIRunner:              indicates whether tests are currently run on Azure DevOps; computed, overridable. Locally this can be set by "/p:SYSTEM_TEAMPROJECT=foo".
         - IsAzdoHelixRunner:           indicates whether tests are currently run on Helix; computed, overridable. Locally this can be set by "/p:PrepareForHelix=true".
 
@@ -29,9 +28,6 @@
     -->
 
   <PropertyGroup>
-    <!-- See https://docs.github.com/actions/writing-workflows/choosing-what-your-workflow-does/store-information-in-variables#default-environment-variables -->
-    <IsGitHubActionsRunner Condition=" '$(GITHUB_ACTIONS)' == 'true' ">true</IsGitHubActionsRunner>
-
     <!-- See https://learn.microsoft.com/azure/devops/pipelines/build/variables#system-variables -->
     <IsAzdoCIRunner Condition=" '$(SYSTEM_TEAMPROJECT)' != '' ">true</IsAzdoCIRunner>
 

tests/Aspire.Cli.EndToEnd.Tests/Aspire.Cli.EndToEnd.Tests.csproj

@@ -8,6 +8,7 @@
     <IsTestProject>true</IsTestProject>
     <IsUnitTestProject>true</IsUnitTestProject>
     <OutputType>Exe</OutputType>
+    <SkipTests Condition="'$(IsGitHubActionsRunner)' == 'true' and '$(IsGithubPullRequest)' != 'true'">true</SkipTests>
 
     <SplitTestsOnCI>true</SplitTestsOnCI>
     <RequiresNugets>true</RequiresNugets>