[mono] Disable new test running on AOT. (#62335)

* Disable test running on AOT.

Author: thaystg

src/tests/issues.targets

@@ -2341,6 +2341,9 @@
         <ExcludeList Include = "$(XunitTestBinBase)/tracing/eventcounter/**">
             <Issue> needs triage </Issue>
         </ExcludeList>
+        <ExcludeList Include = "$(XunitTestBinBase)/Loader/classloader/DefaultInterfaceMethods/regressions/github60486/**">
+            <Issue>https://github.com/dotnet/runtime/issues/62334</Issue>
+        </ExcludeList>        
     </ItemGroup>
 
     <ItemGroup Condition="'$(RuntimeFlavor)' == 'mono' and ('$(RuntimeVariant)' == 'llvmfullaot' or '$(RuntimeVariant)' == 'llvmaot') and '$(TargetArchitecture)' == 'arm64'">