Commit
ea2915f6aea1f2d81fddcb96269bbe0afdf0e6a0
by Vadim Yanitskiydiameter: assert that diameter:start_service/2 returns ok
I introduced a regression in 1545311, which would have been spotted
much earlier if we had such an assertion in place. Add it.
Change-Id: Ief13353d280e3eb80a25b5c9a9effdf537bcc704
Related: 1545311 "diameter: fix unused macro param in ?SERVICE"