[release/6.0] Disable HardwareIntrinsics failing tests on Mono

[kotlarmilos]

Fixes Issue #81907

Description

This PR disables the failing tests for hardware intrinsics on Mono llvmaot linux arm64. The tests report the following error message: System.Exception: One or more scenarios did not complete as expected.

Customer Impact

No customer impact, the issue is blocking clean CI.

Testing

Tested on the CI, the tests don't fail as they are disabled.

Risk

Low risk. This PR disables failing intrinsics tests. In .NET 6, Mono had just started implementing intrinsics support, so likely some Library optimizations might have exposed some limitations for Mono.

IMPORTANT: If this change touches code that ships in a NuGet package, please make certain that you have added any necessary package authoring and gotten it explicitly reviewed.

[SamMonoRT]

/cc @steveisok

[SamMonoRT]

@kotlarmilos - I think this needs to be open in the staging pipeline, see more guidance from @carlossanlop in email.

[SamMonoRT]

@kotlarmilos - https://github.com/dotnet/runtime/blob/release/7.0-staging/docs/project/library-servicing.md

[fanyang-mono]

Why not backporting Zoltan's fix instead? #84385

[carlossanlop]

@kotlarmilos @SamMonoRT today is code complete. Can you please help make sure this is ready to merge by 4pm EOD today?

• No Tactics approval needed (test change, tell-mode).
• Please confirm the CI failures are unrelated.
• Get a sign-off from an area owner.
• No OOB changes needed (not affecting managed code in libraries code).

[SamMonoRT]

@carlossanlop - This PR seems ready for merge

Yes - the failures are not related to the changes
I'm the area owner for the aot-llvm area for Mono, I have signed off on the PR.

[SamMonoRT]

@fanyang-mono - We decided to disable the test, mostly as this is a CI failures and not a customer reported issue. We can rethink the actual backport of the fix if there are related issues coming from the field in the future.

[carlossanlop]

Thanks @SamMonoRT. Then it seems this is ready to merge.

I forgot to mention that for tell-mode changes we can automatically add the Servicing-approved label to unblock the check-service-labels CI action and enable the Squash & Merge button.