Feature-9904: Enhancing NG-UI to enable Juju operational view dashboard

Added unit tests for vca status refresh in lcm

Change-Id: Ic2009a321991526f284d88858fd6ee19a2eed960
Signed-off-by: gspri <priyadharshini.g@tataelxsi.co.in>
Signed-off-by: ksaikiranr <saikiran.k@tataelxsi.co.in>