CPS-615 - CSIT for model sync & passthrough

This commit contains
-Registration and sync test cases
-Passthrough read and  write test case

Issue-ID: CPS-615
Change-Id: I1ad70dbc8c0af96bd5cf69476acdad42cf3c179d
Signed-off-by: JosephKeenan <joseph.keenan@est.tech>
20 files changed