tests/test-merge5.out

make test-confused-revert check working dir with two parents.

1 files updated, 0 files merged, 0 files removed, 0 files unresolved
removing b
this update spans a branch affecting the following files:
 b
aborting update spanning branches!
(use 'hg merge' to merge across branches or 'hg update -C' to lose changes)