Remove AsyncSshHandler.handleSshAuthenticated()
This method is the locked bottom of onAuthComplete(), rename it and
split out onOpenComplete(), making the flow more linear. Also switch
to use getException() to discern success/failure, fixing up badly-named
mocks.
JIRA: NETCONF-905
Change-Id: I7a0c20b872b19b66e99144d0ce83636d6b4cd400
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
(cherry picked from commit
6de37782ed59747d2ad803e3b9836f6ed25d6986)
(cherry picked from commit
1a3e240661ae48d498c98f02036dff2a3d8f3ec6)