Removed hardcoded IDs from "port" test resources

Test resources are generated using certain helper methods to provide
key/value data. These methods hardcode ID fields which map to primary
key in the database. Subsequent creates on these resources force the
database to assign hardcoded primary keys, ignoring DB's internal
mechanisms. Though unlikely, this could lead to primary key conflicts.

This commit removes hardcoded IDs from port resources. It also removes
ID hardcode from some more node-related spots.

Change-Id: I89f77ff31d1e5f7c534912dddbc7ff8e9dd9a932
Partial-Bug: #1268589
Merge "Removed hardcoded IDs from "port" test resources"