post https://api-v3.authenticating.com/mock/identity/bank/connect/url
This mimics the "Get Financial Connect Url".
The possible scenarios are covered in the mock APIs with userAccessCodes 100385a1-4308-49db-889f-9a898fa88c21, 2d91a19f-d07b-48f0-912f-886ed67009dd and 9cg686b3-ccb3-497c-a298-3830ea8a1c96.