fix IAM permission tests #1905

Job	Run time
Build and publish staging image	1m 20s
Run tests (comparison)	2m 21s
Run tests (degreeReform)	3m 0s
Run tests (form)	2m 26s
Run tests (formNotifications)	1m 34s
Run tests (happypath)	1m 33s
Run tests (IAMpermissions)	4m 38s
Run tests (management)	1m 25s
Run tests (misc)	1m 32s
Run tests (ospa)	2m 23s
Run tests (permissions)	2m 7s
Run tests (report)	2m 17s
Run tests (sidebar)	1m 34s
Run tests (yearselector)	1m 43s
Run tests (evaluation)	2m 56s
Run tests (metaevaluation)	2m 28s
Run tests (homepage)	1m 41s
Run tests (trackingpage)	2m 32s
Run tests (facultymonitoringoverview)	1m 56s
Report deployment success to Tilku-channel	3s
Report test failure to Tilku-channel	0s
	41m 29s

Provide feedback