Refactoring to analyse all the checks and review the operation to be controlled in the analysis of the TS

- calling Suite Teardown only cleans up data from last TC in the suite
- clearly identify setups steps in TCs
- prefer Set Test Variable when variable is set in a TC

- was the same as Delete Entity by Id keyword

fix(030_01): get subscription by id without id cannot be tested since same endpoint as query subscriptions

Gaël Poujol authored Sep 13, 2022 and poujol committed Sep 13, 2022

We also do some modification:
      - change filepath to receive notification when attributes are updated
      - modify subscription payload to have a better alignment on the specification in 046_10