Unit test to cover the issue reported in Bug #1528380
Unit test to cover the issue reported in Bug #1528380

Add unit test that checks that even if the sandesh state machine queue
watermark level is initialized to INVALID the sandesh session defer
reader callback is called.

Change-Id: Iaaf0b72f6a5145fa6f3f02bfd425fc9a331f42e7
Closes-Bug: #1550562

Juniper/contrail-sandesh,Juniper/contrail-sandesh,Juniper/contrail-sandesh,Juniper/contrail-sandesh