Refactor the operators_test and report test coverage #27
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The operators_test was a badly designed test suite, since it said it was just testing the operators but in fact it was also testing the process of parsing them, since it's much easier to specify operations using the GenericWebhookConfig CRD.
The problem was that the CRD will evolve and the generic-k8s-webhook should support (and test) both old and new versions of the CRD. The refactor of the tests makes easier to keep test coverage for all the versions that are supported.
Apart from that, we're introducing pytest-cov to write a test coverage report after executing all the unittests.