bpo-37244: Fix test_multiprocessing.test_resource_tracker() (GH-14288)


Increase robustness of test_resource_tracker(): retry for 60 seconds.
(cherry picked from commit e1a63c4f21011a3ae77dff624196561070c83446)

Co-authored-by: Pierre Glaser <pierreglaser@msn.com>
1 file changed