Remove obsolete v1 tests

[jason-fox]

• These tests are duplicated by equivalent v2 tests

In order to merge telefonicaid/iotagent-node-lib#995 I want to get the unit-tests running without relying on NGSI-v1. This PR just deletes tests which are already duplicated in the NGSI-v2 test suite. Any drop in coverage should be within acceptable limits.

[fgalan]

Maybe this PR shoud use jason-fox:feature/ngsi-v1 as dependency for iotagent-node-lib in packages.json so we can use it at the same time to check that the new version of the library will work fine with the agent?

In addition, please sync this PR with master. Some test has been fixed recently in master branch (PR #476 )

[fgalan]

Similar to telefonicaid/iotagent-json#553 (comment), we should consider if the coverage drop (2.3% this case) is "within acceptable limits".

[jason-fox]

This one is now 0.8%, but I can't see any obvious gap. Looking at the coverage report the drop is due to code that needs to be deleted such as this NGSI-v1 constant or AMPQ disconnection which is due to there now only being 1 connection test not two.

I think this is all that can be done for this pass.

[jason-fox]

As can be seen from the equivalent here some of the drop is indeed due to the AMQP connection reducing the number of tests and potentially not needing a disconnect() - this makes a - 0.8% drop more tolerable.

[fgalan]

Just to know... why this PR has been closed? Maybe due to the force push?

[jason-fox]

Probably. I've rebased, amended the scope to delete only and re-raised as #487