Use the GitHubActions logger when GITHUB_STEP_SUMMARY is defined

Author: 0xced

tests/Serilog.Formatting.Log4Net.Tests.csproj

@@ -22,7 +22,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <VSTestLogger Include="GitHubActions%3Bsummary.includePassedTests=true%3Bsummary.includeSkippedTests=true" Visible="false" Condition="$(ContinuousIntegrationBuild) == 'true'" />
+    <VSTestLogger Include="GitHubActions%3Bsummary.includePassedTests=true%3Bsummary.includeSkippedTests=true" Visible="false" Condition="$(GITHUB_STEP_SUMMARY) != ''" />
     <VSTestLogger Include="trx%3BLogFileName=TestResults-$(TargetFramework).trx" Visible="false" Condition="$(ContinuousIntegrationBuild) == 'true'" />
     <VSTestLogger Include="html%3BLogFileName=TestResults-$(TargetFramework).html" Visible="false" />
   </ItemGroup>