Mark test_lstm_packed as slow

[clee2000]

The test takes >30 minutes to run on some configurations and keeps getting unmarked as slow by the automatic slow test detection.
Examples:
https://ossci-raw-job-status.s3.amazonaws.com/log/15824750763
https://ossci-raw-job-status.s3.amazonaws.com/log/15802766247

cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @Xia-Weiwen @wenzhe-nrv @jiayisunx @peterbell10 @ipiszy @ngimel @yf225 @chenyang78 @kadeng @muchulee8 @aakhundov

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/107048

• 📄 Preview Python docs built from this PR
• 📄 Preview C++ docs built from this PR
• ❓ Need help or want to give feedback on the CI? Visit the bot commands wiki or our office hours

Note: Links to docs will display an error until the docs builds have been completed.

✅ 1 Unrelated Failure

As of commit 75d1e84:

UNSTABLE - The following job failed but was likely due to flakiness present on trunk and has been marked as unstable:

• linux-bionic-py3.8-clang9 / test (dynamo, 2, 2, linux.2xlarge, unstable) (gh)

This comment was automatically generated by Dr. CI and updates every 15 minutes.

[clee2000]

@pytorchbot merge -f "adding a slowtest decorator"

[pytorchmergebot]

Merge started

Your change will be merged immediately since you used the force (-f) flag, bypassing any CI checks (ETA: 1-5 minutes). Please use -f as last resort and instead consider -i/--ignore-current to continue the merge ignoring current failures. This will allow currently pending tests to finish and report signal before the merge.

Learn more about merging in the wiki.

Questions? Feedback? Please reach out to the PyTorch DevX Team

Advanced Debugging

Check the merge workflow status
here