chore: disable mmdet test

[MikhailKardash]

Ticket

None

Description

Skip a test that is failing in mmdet. We are currently reevaluating the value of model_hub.

Test Plan

CI is green

Checklist

• [ ] Changes have been manually QA'd
• [ ] New features have been approved by the corresponding PM
• [ ] User-facing API changes have the "User-facing API Change" label
• [ ] Release notes have been added as a separate file under docs/release-notes/ See Release Note for details.
• [ ] Licenses have been included for new code which was copied and/or modified from any external code

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 49.83%. Comparing base (c40b861) to head (29a21f4). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #9577 +/- ## ========================================== + Coverage 49.82% 49.83% +0.01% ========================================== Files 1247 1247 Lines 162287 162287 Branches 2888 2888 ========================================== + Hits 80855 80883 +28 + Misses 81260 81232 -28 Partials 172 172 ``` | [Flag](https://app.codecov.io/gh/determined-ai/determined/pull/9577/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=determined-ai) | Coverage Δ | | |---|---|---| | [backend](https://app.codecov.io/gh/determined-ai/determined/pull/9577/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=determined-ai) | `43.99% <ø> (+0.05%)` | :arrow_up: | | [harness](https://app.codecov.io/gh/determined-ai/determined/pull/9577/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=determined-ai) | `63.75% <ø> (ø)` | | | [web](https://app.codecov.io/gh/determined-ai/determined/pull/9577/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=determined-ai) | `46.16% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=determined-ai#carryforward-flags-in-the-pull-request-comment) to find out more. [see 8 files with indirect coverage changes](https://app.codecov.io/gh/determined-ai/determined/pull/9577/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=determined-ai)