Read about our upcoming Code of Conduct on this issue

tests: update now that merge.graft() doesn't set two equal parents

This is a consequence of https://phab.mercurial-scm.org/D7549.

CORE-TEST-OUTPUT-UPDATE: 32d11a23c9cf
5 jobs for topic/default/test-compat in 3 minutes and 28 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed flake8 #50751

00:00:23

passed tests-py2-cext #50752

00:03:12

passed tests-py2-pure #50753

00:03:23

passed tests-py3-cext #50754

00:03:26

passed tests-py3-pure #50755

00:03:12