[infra] Avoid port conflicts in tests (#6308)

Co-authored-by: Rajkumar Rangaraj <[email protected]>

Author: martincostello

test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj

@@ -3,6 +3,8 @@
   <PropertyGroup>
     <TargetFrameworks>$(TargetFrameworksForTests)</TargetFrameworks>
     <AnalysisLevel>latest-all</AnalysisLevel>
+    <!-- Avoid conflicting port registrations if TFMs tested in parallel -->
+    <TestTfmsInParallel>false</TestTfmsInParallel>
   </PropertyGroup>
 
   <!-- Add MSBuild Task to Generate Certificates -->

test/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests.csproj

@@ -5,6 +5,8 @@
     <TargetFrameworks>$(TargetFrameworksForTests)</TargetFrameworks>
     <DefineConstants>$(DefineConstants);PROMETHEUS_HTTP_LISTENER</DefineConstants>
     <AnalysisLevel>latest-all</AnalysisLevel>
+    <!-- Avoid conflicting port registrations if TFMs tested in parallel -->
+    <TestTfmsInParallel>false</TestTfmsInParallel>
   </PropertyGroup>
 
   <ItemGroup>

test/OpenTelemetry.Exporter.Zipkin.Tests/OpenTelemetry.Exporter.Zipkin.Tests.csproj

@@ -4,6 +4,8 @@
     <Description>Unit test project for Zipkin Exporter for OpenTelemetry</Description>
     <TargetFrameworks>$(TargetFrameworksForTests)</TargetFrameworks>
     <AnalysisLevel>latest-all</AnalysisLevel>
+    <!-- Avoid conflicting port registrations if TFMs tested in parallel -->
+    <TestTfmsInParallel>false</TestTfmsInParallel>
   </PropertyGroup>
 
   <ItemGroup>