scm: mercurial: split latest_changesets tag test with path or not (#14361)

git-svn-id: http://svn.redmine.org/redmine/trunk@12764 e93f8b46-1217-0410-a6f0-8f06a7374b81
scm: mercurial: split latest_changesets default branch test to sub method (#14361)

git-svn-id: http://svn.redmine.org/redmine/trunk@12765 e93f8b46-1217-0410-a6f0-8f06a7374b81
scm: mercurial: split latest_changesets tag test to sub method (#14361)

git-svn-id: http://svn.redmine.org/redmine/trunk@12766 e93f8b46-1217-0410-a6f0-8f06a7374b81