[CI] Spurious test failures

[mfbalin]

🔨Work Item

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Project tracker: https://github.com/orgs/dmlc/projects/2

Description

Example failures: #7470 (comment), #7470 (comment), #7475 (comment), #7485 (comment)

If some of the tests are known to fail randomly, they should be disabled until the issues are resolved.

[mfbalin]

I am assigning you to this issue @Rhett-Ying, feel free to unassign or assign someone else.

[Rhett-Ying]

All distributed tests are temporarily skipped in #7490

[mfbalin]

The tests don't seem to fail anymore. Does this mean the problems are solved, or are some tests skipped?

[mfbalin]

The io_uring tests seems to fail spuriously:
#7537 (comment)
#7540 (comment)

Hopefully #7542 solved this issue.

I might temporarily disable this test to figure out what may be the issue if this keeps repeating.

tests/python/pytorch/geometry/test_geometry.py::test_edge_coarsening[False-False-g4-idtype1] PASSED [  5%]
tests/python/pytorch/geometry/test_geometry.py::test_edge_coarsening[False-False-g5-idtype0] PASSED [  5%]
tests/python/pytorch/geometry/test_geometry.py::test_edge_coarsening[False-False-g5-idtype1] PASSED [  5%]
tests/python/pytorch/geometry/test_geometry.py::test_edge_coarsening[False-False-g6-idtype0] PASSED [  5%]
tests/python/pytorch/geometry/test_geometry.py::test_edge_coarsening[False-False-g6-idtype1] PASSED [  5%]
tests/python/pytorch/graphbolt/impl/test_basic_feature_store.py::test_basic_feature_store_homo PASSED [  5%]
tests/python/pytorch/graphbolt/impl/test_basic_feature_store.py::test_basic_feature_store_hetero PASSED [  5%]
tests/python/pytorch/graphbolt/impl/test_basic_feature_store.py::test_basic_feature_store_errors PASSED [  5%]
tests/python/pytorch/graphbolt/impl/test_disk_based_feature_store.py::test_disk_based_feature Sending interrupt signal to process
Terminated
script returned exit code 143

[mfbalin]

#7546 (comment)

[mfbalin]

The io_uring and CPUCachedFeature based bugs have been resolved.