TST use global_dtype in sklearn/cluster/tests/test_mean_shift.py (#22672)
TST use global_dtype in sklearn/cluster/tests/test_mean_shift.py (#22672)

Co-authored-by: Olivier Grisel <2debdaedc015a28b6d296a878ea9501beb58cbd4@ensta.org>
Co-authored-by: Jérémie du Boisberranger <ff8b1d9a6fdac3a468cd870434fc13a05213dfff@users.noreply.github.com>
Co-authored-by: Guillaume Lemaitre <e5e78d384e205244ed69377c80930de68a2732ec@gmail.com>
manhhomienbienthuy/scikit-learn,jakirkham/scikit-learn,betatim/scikit-learn,ivannz/scikit-learn,espg/scikit-learn,betatim/scikit-learn,AlexandreAbraham/scikit-learn,espg/scikit-learn,jakirkham/scikit-learn,TomDLT/scikit-learn,manhhomienbienthuy/scikit-learn,betatim/scikit-learn,TomDLT/scikit-learn,saiwing-yeung/scikit-learn,betatim/scikit-learn,jakirkham/scikit-learn,ivannz/scikit-learn,AlexandreAbraham/scikit-learn,lesteve/scikit-learn,vinayak-mehta/scikit-learn,manhhomienbienthuy/scikit-learn,scikit-learn/scikit-learn,jakirkham/scikit-learn,ivannz/scikit-learn,scikit-learn/scikit-learn,vinayak-mehta/scikit-learn,espg/scikit-learn,anntzer/scikit-learn,lesteve/scikit-learn,lesteve/scikit-learn,ivannz/scikit-learn,vinayak-mehta/scikit-learn,saiwing-yeung/scikit-learn,espg/scikit-learn,vinayak-mehta/scikit-learn,AlexandreAbraham/scikit-learn,anntzer/scikit-learn,manhhomienbienthuy/scikit-learn,saiwing-yeung/scikit-learn,TomDLT/scikit-learn,lesteve/scikit-learn,anntzer/scikit-learn,TomDLT/scikit-learn,saiwing-yeung/scikit-learn,anntzer/scikit-learn,scikit-learn/scikit-learn,scikit-learn/scikit-learn,AlexandreAbraham/scikit-learn