WASM: Enable System.Runtime.Serialization.Formatters tests (#38948)

* WASM: Enable System.Runtime.Serialization.Formatters tests

We need to preserve some assemblies the BinaryFormatter needs and also skip some test cases that would cause PNSE on WebAssembly.

* Disable IsolatedStorage case too

It throws PNSE now.

eng/testing/tests.mobile.targets

@@ -125,6 +125,20 @@
       <AssemblySearchPaths Include="$(PublishDir)"/>
       <WasmFilesToIncludeInFileSystem Include="@(ContentWithTargetPath)" />
       <WasmFilesToIncludeInFileSystem Include="@(ReferenceCopyLocalPaths)" Condition="'%(ReferenceCopyLocalPaths.BuildReference)' == 'true'" />
+      <ExtraAssemblies Include="$(PublishDir)$(AssemblyName).dll" />
+      <!-- we need to preserve these facades for BinaryFormatter tests -->
+      <ExtraAssemblies Include="$(PublishDir)mscorlib.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.ComponentModel.DataAnnotations.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.Configuration.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.Core.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.Data.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.Drawing.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.Numerics.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.Runtime.Serialization.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.Transactions.dll" />
+      <ExtraAssemblies Include="$(PublishDir)System.Xml.dll" />
+      <ExtraAssemblies Include="$(PublishDir)WindowsBase.dll" />
     </ItemGroup>
 
     <Error Condition="!Exists('$(MicrosoftNetCoreAppRuntimePackRidDir)')" Text="MicrosoftNetCoreAppRuntimePackRidDir=$(MicrosoftNetCoreAppRuntimePackRidDir) doesn't exist" />
@@ -133,7 +147,7 @@
       MicrosoftNetCoreAppRuntimePackDir="$(MicrosoftNetCoreAppRuntimePackRidDir)"
       MainAssembly="$(PublishDir)WasmTestRunner.dll"
       MainJS="$(MonoProjectRoot)\wasm\runtime-test.js"
-      ExtraAssemblies="$(PublishDir)$(AssemblyName).dll"
+      ExtraAssemblies="@(ExtraAssemblies)"
       FilesToIncludeInFileSystem="@(WasmFilesToIncludeInFileSystem)"
       AssemblySearchPaths="@(AssemblySearchPaths)" />
   </Target>