api-key test cases

Below endpoints to be used by MIS with api-key only:

GET /admin/roles

GET /admin/roles/id

GET /api/events/id

GET /api/events

POST /api/legal_entities

n/n	description	inputs	expected result
AK1	Invoke any endpoint from the MIS list with api-key only	api-key only	200
AK2	Invoke any endpoint from the MIS list with access_token only	access_token	403
AK3	Invoke any endpoint from the MIS list with api_key and access_token	api-key access_token	200
AK4	Invoke any endpoint from the MIS list with no headers	no headers	403
AK5	Invoke GET /api/clients	api-key only	403
AK6	Invoke GET /api/employees	api-key only	403
AK7	Invoke GET /api/clients	api-key access_token	200
AK8	Invoke GET /api/employees	api-key access_token	200
AK9	POST /api/legal_entities	api-key only	201 new legal entity is created in PRM legal_entities.Inserted_by should be NULL
AK10	POST /api/legal_entities	api-key access_token	201 new legal entity is created in PRM legal_entities.Inserted_by should be NULL
AK11	POST /api/legal_entities	access_token	403