Inconsistent result in unit test for "aps_randomized_cv_crossval" in classification

[thibaultcordier]

Describe the bug
When the unit tests are run, one test gives inconsistent results (for the "aps_randomized_cv_crossval" method in the classification).

To Reproduce
Steps to reproduce the behavior:

1. Run the test_toy_dataset_predictions test several times in mapie/tests/test_classification.py.

Expected behavior
Consistent results when tests are run several times.

[BaptisteCalot]

Hello everyone ! I tried to reproduce the bug without success. How am I supposed to get a bad result? We agree that the inconsistent result is supposed to make the test fail, right ? @thibaultcordier