tests/test-issue619.out

tests: removed redundant "-u test" from test scripts

The tests are executed with a .hgrc file which adds "-u test" by
default.

adding a
marked working directory as branch b
adding b
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
fast-forward
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
bogus fast-forward should fail
abort: can't merge with ancestor
done