git 2.9 requires --merge-unrelated-history option if 2 commits have no common base.
This MR helps user to pass this flag to finish merging / pulling.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
git 2.9 requires --merge-unrelated-history option if 2 commits have no common base.
This MR helps user to pass this flag to finish merging / pulling.