Unit Tests

[themisAnagno]

• [x] Add Components (VIM, NFVO, EMS, etc)
• [x] Read Components (VIM, NFVO, EMS, etc)
• [x] Update Components (VIM, NFVO, EMS, etc)
• [x] Remove Componets (VIM, NFVO, EMS, etc)
• [x] Add Slice
• [x] Read Slice
• [x] Remove Slice

[themisAnagno]

Successfully completed unit tests for CRUD operations on:

• VIM
• NFVO
• WIM
• EMS
• PDU
• SST Successfully instantiate, read and delete slice