tests: add coverage for repo.changelog.findmissing() in test-git-interop.t
This at least does a basic test of the method. It's not
super-complete, but it's better than the nothing we'd otherwise have.
Differential Revision: https://phab.mercurial-scm.org/D8547
--- a/tests/test-git-interop.t Mon May 18 13:18:05 2020 -0400
+++ b/tests/test-git-interop.t Mon May 18 12:41:16 2020 -0400
@@ -248,3 +248,5 @@
$ hg log -r ae1ab744f95bfd5b07cf573baef98a778058537b --template "{shortest(node,1)}\n"
ae
+This coveres changelog.findmissing()
+ $ hg merge --preview 3d9be8deba43