Adjust the tests for mirrormanager2.lib.get_session_by_visitkey
Adjust the tests for mirrormanager2.lib.get_session_by_visitkey

pombredanne/mirrormanager2,Devyani-Divs/mirrormanager2,pombredanne/mirrormanager2,Devyani-Divs/mirrormanager2,pombredanne/mirrormanager2,Devyani-Divs/mirrormanager2,Devyani-Divs/mirrormanager2,pombredanne/mirrormanager2