🔧 Migrates test settings to modern Testing Platform

.runsettings

@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RunSettings>
-  <RunConfiguration>
-    <ResultsDirectory>.\TestResults</ResultsDirectory>
-    <DisableAppDomain>true</DisableAppDomain>
-  </RunConfiguration>
-  <xUnit>
-    <Culture>invariant</Culture>
-    <LongRunningTestSeconds>5</LongRunningTestSeconds>
-  </xUnit>
-  <DataCollectionRunSettings>
-    <DataCollectors>
-      <DataCollector friendlyName="Code Coverage">
-        <Configuration>
-          <Format>cobertura</Format>
-          <CoverageFileName>coverage.xml</CoverageFileName>
-          <ExcludeByAttribute>ObsoleteAttribute,GeneratedCodeAttribute,CompilerGeneratedAttribute</ExcludeByAttribute>
-          <ExcludeByFile>**/tests/**.cs,**/samples/**.cs</ExcludeByFile>
-          <SingleHit>false</SingleHit>
-          <UseSourceLink>true</UseSourceLink>
-          <IncludeTestAssembly>false</IncludeTestAssembly>
-          <SkipAutoProps>true</SkipAutoProps>
-          <DeterministicReport>true</DeterministicReport>
-        </Configuration>
-      </DataCollector>
-    </DataCollectors>
-  </DataCollectionRunSettings>
-</RunSettings>

global.json

@@ -5,4 +5,4 @@
   "test": {
     "runner": "Microsoft.Testing.Platform"
   }
-}
+}

testconfig.json

@@ -0,0 +1,21 @@
+{
+  "platformOptions": {
+
+  },
+  "codeCoverage": {
+    "ExcludeAssembliesWithoutSources": "MissingAll",
+    "IncludeTestAssembly": false,
+    "SkipAutoProperties": true,
+    "AttributesExclude": [
+      "^System\\.ObsoleteAttribute$",
+      "^System\\.CodeDom\\.Compiler\\.GeneratedCodeAttribute$"
+    ],
+    "SourcesExclude": [
+      ".*\\\\tests\\\\.*\\.cs$",
+      ".*\\\\samples\\\\.*\\.cs$"
+    ]
+  },
+  "tunit": {
+    "long-running-test-seconds": 5
+  }
+}

tests/Directory.Build.props

@@ -10,19 +10,9 @@
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Using Include="Xunit" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <AssemblyAttribute Include="System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage" />
-  </ItemGroup>
-
-  <ItemGroup Label="Loggers">
-    <VSTestLogger
-      Include="trx%3BLogFileName=TestResults-$(TargetFramework)-$(MSBuildProjectName).trx" />
-    <VSTestLogger
-      Include="html%3BLogFileName=TestResults-$(TargetFramework)-$(MSBuildProjectName).html" />
+  <ItemGroup Label="xUnit Configuration" Condition="Exists('$(MSBuildThisFileDirectory)\..\xunit.runner.json') AND $(IsTestProject)=='True' AND @(PackageReference->StartsWith('xunit')->Count()) &gt; 0">
+    <Content Include="$(MSBuildThisFileDirectory)\..\xunit.runner.json" Link="xunit.runner.json"
+      CopyToOutputDirectory="PreserveNewest" Visible="false" />
   </ItemGroup>
 
   <PropertyGroup Condition="$(ContinuousIntegrationBuild) == 'true'">