[browser][MT] show progress in problematic unit tests (#105680)

Author: pavelsavara

src/libraries/System.Net.Http/tests/FunctionalTests/System.Net.Http.Functional.Tests.csproj

@@ -27,6 +27,7 @@
     <DefineConstants>$(DefineConstants);TARGET_BROWSER</DefineConstants>
     <!-- This WASM test is slow on NodeJS. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
     <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
+    <XunitShowProgress Condition="'$(FeatureWasmManagedThreads)' == 'true'">true</XunitShowProgress>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetPlatformIdentifier)' == 'android'">

src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System.Runtime.InteropServices.JavaScript.Tests.csproj

@@ -19,6 +19,9 @@
     <WasmNativeDebugSymbols>true</WasmNativeDebugSymbols>
     <WasmNativeStrip>false</WasmNativeStrip>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(FeatureWasmManagedThreads)' == 'true'">
+    <XunitShowProgress>true</XunitShowProgress>
+  </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\InteropServices\JavaScript\JavaScriptTestHelper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\InteropServices\JavaScript\JSImportTest.cs" />