Disable ParallelCrash tests for OSX (#49041)

Tracking issue: #47096

Author: BruceForstall

src/tests/issues.targets

@@ -692,6 +692,16 @@
         </ExcludeList>
     </ItemGroup>
 
+    <!-- MacOS specific CoreCLR -->
+    <ItemGroup Condition="'$(XunitTestBinBase)' != '' and '$(TargetOS)' == 'OSX' and '$(RuntimeFlavor)' == 'coreclr'">
+        <ExcludeList Include="$(XunitTestBinBase)/baseservices/exceptions/simple/ParallelCrash/*">
+            <Issue>https://github.com/dotnet/runtime/issues/47096</Issue>
+        </ExcludeList>
+        <ExcludeList Include="$(XunitTestBinBase)/baseservices/exceptions/simple/ParallelCrashWorkerThreads/*">
+            <Issue>https://github.com/dotnet/runtime/issues/47096</Issue>
+        </ExcludeList>
+    </ItemGroup>
+
     <!-- MacOS arm64 specific -->
     <ItemGroup Condition="'$(XunitTestBinBase)' != '' and '$(TargetOS)' == 'OSX' and '$(TargetArchitecture)' == 'arm64' and '$(RuntimeFlavor)' == 'coreclr'">
         <!-- Hard failures -->