Fix heavy tests
Fix heavy tests

gdementen/PyTables,mohamed-ali/PyTables,avalentino/PyTables,rdhyee/PyTables,joonro/PyTables,mohamed-ali/PyTables,tp199911/PyTables,joonro/PyTables,tp199911/PyTables,PyTables/PyTables,andreabedini/PyTables,jennolsen84/PyTables,FrancescAlted/PyTables,mohamed-ali/PyTables,tp199911/PyTables,rabernat/PyTables,jack-pappas/PyTables,jack-pappas/PyTables,dotsdl/PyTables,andreabedini/PyTables,rdhyee/PyTables,rabernat/PyTables,avalentino/PyTables,PyTables/PyTables,rdhyee/PyTables,dotsdl/PyTables,joonro/PyTables,jennolsen84/PyTables,gdementen/PyTables,rabernat/PyTables,jack-pappas/PyTables,FrancescAlted/PyTables,gdementen/PyTables,jack-pappas/PyTables,rdhyee/PyTables,rabernat/PyTables,mohamed-ali/PyTables,gdementen/PyTables,joonro/PyTables,dotsdl/PyTables,PyTables/PyTables,dotsdl/PyTables,avalentino/PyTables,jack-pappas/PyTables,jennolsen84/PyTables,tp199911/PyTables,andreabedini/PyTables,jennolsen84/PyTables,andreabedini/PyTables,FrancescAlted/PyTables