Set xunit env var to not print output for passing tests (#105392)

* Set xunit env var to not print output for passing tests

Fixes #103445

* Update xunit.console.targets

* Update xunit.console.targets

Author: ViktorHofer

eng/testing/.runsettings

@@ -18,6 +18,10 @@
     <!-- Filter out failing (wrong framwork, platform, runtime or activeissue) tests -->
     <TestCaseFilter>$$TESTCASEFILTER$$</TestCaseFilter>
     <DotNetHostPath>$$DOTNETHOSTPATH$$</DotNetHostPath>
+    <EnvironmentVariables>
+      <!-- Configures xunit to not print out passing tests with output when diagnostic messages are enabled. -->
+      <XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS>1</XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS>
+    </EnvironmentVariables>
   </RunConfiguration>
   <LoggerRunSettings>
     <Loggers>

eng/testing/xunit/xunit.console.targets

@@ -1,10 +1,17 @@
 <Project>
+
   <PropertyGroup>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
     <TestResultsName>testResults.xml</TestResultsName>
     <UseXunitExcludesTxtFile Condition="'$(TargetOS)' == 'android' or '$(TargetOS)' == 'ios' or '$(TargetOS)' == 'iossimulator' or '$(TargetOS)' == 'tvos' or '$(TargetOS)' == 'tvossimulator' or '$(TargetOS)' == 'maccatalyst'">true</UseXunitExcludesTxtFile>
   </PropertyGroup>
 
+  <ItemGroup>
+    <!-- Configures xunit to not print out passing tests with output when diagnostic messages are enabled. -->
+    <SetScriptCommands Condition="'$(TargetOS)' == 'windows'" Include="set XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS=1" />
+    <SetScriptCommands Condition="'$(TargetOS)' != 'windows'" Include="export XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS=1" />
+  </ItemGroup>
+
   <PropertyGroup Condition="'$(TargetsMobile)' != 'true' and '$(TestSingleFile)' != 'true'">
     <_depsFileArgument Condition="'$(GenerateDependencyFile)' == 'true'">--depsfile $(AssemblyName).deps.json</_depsFileArgument>
     <RunScriptCommand Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp'">"$(RunScriptHost)" exec --runtimeconfig $(AssemblyName).runtimeconfig.json $(_depsFileArgument) xunit.console.dll</RunScriptCommand>
@@ -85,13 +92,6 @@
             CopyToOutputDirectory="PreserveNewest"
             Visible="false" />
     </ItemGroup>
-
-    <!-- Workaround for https://github.com/xunit/xunit/issues/1651 -->
-    <ItemGroup Condition="'$(ArchiveTests)' != 'true'">
-      <None Remove="$(Pkgxunit_runner_visualstudio)\build\net452\xunit.runner.utility.net452.dll" />
-      <None Remove="$(Pkgxunit_runner_visualstudio)\build\net452\xunit.runner.reporters.net452.dll" />
-      <None Remove="$(Pkgxunit_runner_visualstudio)\build\netcoreapp2.1\xunit.runner.utility.netcoreapp10.dll" />
-      <None Remove="$(Pkgxunit_runner_visualstudio)\build\netcoreapp2.1\xunit.runner.reporters.netcoreapp10.dll" />
-    </ItemGroup>
   </Target>
+
 </Project>