The underlying feature here was designed only for IJW, which isn't supported by mono
<!-- Known failures for mono runtime on *all* architectures/operating systems -->
<ItemGroup Condition="'$(RuntimeFlavor)' == 'mono'" >
+ <ExcludeList Include="$(XunitTestBinBase)/Interop/PInvoke/Miscellaneous/CopyCtor/**">
+ <Issue>Handling for Copy constructors isn't present in mono interop</Issue>
+ </ExcludeList>
<ExcludeList Include="$(XunitTestBinBase)/Interop/StringMarshalling/AnsiBSTR/AnsiBStrTest/**">
<Issue>Crashes during LLVM AOT compilation.</Issue>
</ExcludeList>