Disable failing tests

Author: kotlarmilos

src/libraries/tests.proj

@@ -342,7 +342,7 @@
     <!-- Tracking issue: https://github.com/dotnet/runtime/issues/101692 -->
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Formats.Tar/tests/System.Formats.Tar.Tests.csproj" />
     <!-- Tracking issue: https://github.com/dotnet/runtime/issues/109282 -->
-    <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime/tests/System.IO.UnmanagedMemoryStream.Tests.csproj" />
+    <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime/tests/System.IO.UnmanagedMemoryStream.Tests/System.IO.UnmanagedMemoryStream.Tests.csproj" />
 
     <!-- Source generators tests. Not testing customer scenarios. Low priority -->
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)Microsoft.Extensions.Logging.Abstractions\tests\Microsoft.Extensions.Logging.Generators.Tests\Microsoft.Extensions.Logging.Generators.Roslyn3.11.Tests.csproj" />