dispatch: adjust ui.flush() timing to stabilize test-blackbox.t Without this change, dispatch.dispatch() could return before flushing all stdio data. This means chg stdio would print data after receiving the result code. --- tests/test-blackbox.t +++ tests/test-blackbox.t.err @@ -354,13 +354,13 @@ > EOF $ hg log --debug removing $TESTTMP/gone/.hg - warning: cannot write to blackbox.log: $ENOENT$ (no-windows !) warning: cannot write to blackbox.log: $TESTTMP/gone/.hg/blackbox.log: $ENOTDIR$ (windows !) $ cd .. blackbox should disable itself if track is empty $ hg --config blackbox.track= init nothing_tracked + warning: cannot write to blackbox.log: $ENOENT$ $ cd nothing_tracked $ cat >> .hg/hgrc << EOF > [blackbox]