[MRG+1] Adds multilabels permutation tests to metrics/test_common#12803

jnothman merged 5 commits intoscikit-learn:masterscikit-learn/scikit-learn:masterfrom

thomasjpfan:multilabel_label_permutations_teststhomasjpfan/scikit-learn:multilabel_label_permutations_testsCopy head branch name to clipboard