SOL003 / VNF LCM - conflicting operations on vnf instances

HealVNFTask

Test suite tries to send heal POST to an instantiated VNF, and after that, it tries to heal a not instantiated VNF, and uses the same ID

IndividualVNFInstance

DELETE testing is controversial: both DELETE case uses the same VNF ID, but with different pre-conditions, and if the first DELETE is successful (which is expected by the test), the VNF does not exist by the time the following DELETE test case is running