Fix b2b_trigger_scenario array params #377

Job	Run time
setup-matrix	4s
test (accounting, ubuntu-latest)	1m 51s
test (auth, ubuntu-latest)	2m 13s
test (b2b, ubuntu-latest)	6m 26s
test (dialog, ubuntu-latest)	2m 35s
test (permissions, ubuntu-latest)	1m 7s
test (presence, ubuntu-latest)	59s
test (record-route, ubuntu-latest)	56s
test (registration, ubuntu-latest)	4m 14s
test (startup, ubuntu-latest)	1m 16s
test (stir-shaken, ubuntu-latest)	4m 54s
test (topology-hiding, ubuntu-latest)	2m 53s
test (uac-auth, ubuntu-latest)	2m 59s
	32m 27s

Provide feedback