Describe the bug

https://github.com/Project-MONAI/MONAI/actions/runs/4628332079/jobs/8187277000

The bug is found when Auto3DSeg algorithm_templates in PR review phase. Though it could be introduced by the PR, the cause could also be that the Auto3DSeg ensemble test does not work well on a 8-GPU node, as mentioned in the comment:

https://github.com/Project-MONAI/MONAI/actions/runs/4628332079/jobs/8187277000

We may need to limit the GPUs such as https://github.com/Project-MONAI/research-contributions/blob/de5a8d1454ecd74b488b1e09e5693ddb7fab942e/auto3dseg/tests/test_algo_templates.py#L51

in https://github.com/Project-MONAI/MONAI/blob/dev/tests/test_auto3dseg_ensemble.py