disable newly added threading test. (#116106)

Author: mangod9

src/tests/issues.targets

@@ -30,6 +30,9 @@
         <ExcludeList Include="$(XunitTestBinBase)/baseservices/threading/regressions/2164/foreground-shutdown/*">
             <Issue>https://github.com/dotnet/runtime/issues/83658</Issue>
         </ExcludeList>
+        <ExcludeList Include="$(XunitTestBinBase)/baseservices/threading/regressions/115178/115178/*">
+            <Issue>https://github.com/dotnet/runtime/issues/116060</Issue>
+        </ExcludeList>
         <ExcludeList Include="$(XunitTestBinBase)/GC/Coverage/271010/**">
             <Issue>https://github.com/dotnet/runtime/issues/5933</Issue>
         </ExcludeList>