[WIP] Adding a couple of integration tests to get going

Need to add integration tests for:
* [x] Creating a network
* [x] Getting networks
* [] Getting a network
* [] Updating a network
* [] Deleting a network
* [] Creating a subnet
* [] Getting subnets
* [] Getting a subnet
* [] Updating a subnet
* [] Deleting a subnet
* [] Creating a port
* [] Getting ports
* [] Getting a port
* [] Updating a port
* [] Deleting a port