ci: downgrade xunit to 2.4.2 since xunit.runners.visualstudio that has support for net5 and older

Author: egil

src/bunit.web.testcomponents/bunit.web.testcomponents.csproj

@@ -21,8 +21,8 @@
 	<ItemGroup>
 		<PackageReference Include="SourceFileFinder" Version="1.1.0" />
 		<PackageReference Include="xunit.assert" Version="2.4.2" />
-		<PackageReference Include="xunit.extensibility.core" Version="2.5.0" />
-		<PackageReference Include="xunit.extensibility.execution" Version="2.5.0" />
+		<PackageReference Include="xunit.extensibility.core" Version="2.4.2" />
+		<PackageReference Include="xunit.extensibility.execution" Version="2.4.2" />
 	</ItemGroup>
 
 	<ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">

tests/Directory.Build.props

@@ -20,10 +20,14 @@
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
 		<PackageReference Include="NSubstitute" Version="5.0.0" />
 		<PackageReference Include="Shouldly" Version="4.2.1" />
-		<PackageReference Include="xunit" Version="2.5.0" />
-		<PackageReference Include="Xunit.Combinatorial" Version="1.6.24" />
 		<PackageReference Include="coverlet.msbuild" Version="6.0.0" PrivateAssets="All" />
-		<PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
+		<PackageReference Include="Xunit.Combinatorial" Version="1.6.24" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<!-- DO NOT UPGRADE TO versions > 2.4.2 as they do not support .net5 or older -->
+		<PackageReference Include="xunit" Version="2.4.2" />
+		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.2">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 			<NoWarn>NU1701</NoWarn>

tests/bunit.web.testcomponents.tests/bunit.web.testcomponents.tests.csproj

@@ -8,9 +8,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="xunit.extensibility.core" Version="2.5.0" />
-		<PackageReference Include="xunit.extensibility.execution" Version="2.5.0" />
-		<PackageReference Include="xunit.runner.utility" Version="2.5.0" />
+		<PackageReference Include="xunit.runner.utility" Version="2.4.2" />
 		<PackageReference Update="Shouldly" Version="4.1.0">
 			<!-- some test fails with > 4.1.0 -->
 			<NoWarn>NU1605</NoWarn>