  1. re-enable again `test_fitting_morphing` for new ROOT, see https://github.com/root-project/root/issues/11061
  1. re-enable again `test_fitting_morphing` for new ROOT, see https://github.com/root-project/root/issues/11061

OstapHEP/ostap,OstapHEP/ostap,OstapHEP/ostap,OstapHEP/ostap