Add tests without optional create endpoint params

Follow up tests for change #102602

With internalurl and adminurl now being optional parameters
there needs to be tests to ensure calls to create() without
default values, or with default values set to None are
handled as expected.


Change-Id: I2cd542a15a54017beb9430a429fb4be86130a15c
Merge "Add tests without optional create endpoint params"
Test commit