In the case the message body is sent in the call, the response of the test flow has no content. If the body is set in the SetBody step, the expected response body is received.
Test case
Instance: next
Tenant: Regression Tests
Environment: test
Flow: BodyOnTenantVariable_body_as_string
Flow version: 3
- Body set by SetBody step
- Response: 200 OK and expected body
Flow version: 1
- Body set by body in call on InboundHttps
- Response: 204 no content and unexpected empty body

In the case the message body is sent in the call, the response of the test flow has no content. If the body is set in the SetBody step, the expected response body is received.
Test case
Instance: next
Tenant: Regression Tests
Environment: test
Flow: BodyOnTenantVariable_body_as_string
Flow version: 3
Flow version: 1