SOL003 VNF Snapshot Package - Implementation of deltas between v3.3.1 and v2.7.1

This merge request refers to the implementation of deltas between v3.3.1 and v2.7.1 of SOL003 VNF Snapshot Package Interface.

@lynchpi @aelken @matsuurat @carignani @sayama @kraja @zulfiqar @zafar

Deadline for review: Friday 12th March 2021 @6pm CET

Review period elapsed: approved !

SOL003/VNFSnapshotPackageManagement-API/environment/variables.txt

@@ -88,7 +88,7 @@ ${length}          1024
 
 ${POS_FILTER}     id=41fdd38a-3d4c-465c-83e0-f80e014425f8 ,vnfProvider=NXW    # Positive case, suing compiant fields name for filtering get request
 ${NEG_FILTER}     nfvId=41fdd38a-3d4c-465c-83e0-f80e014425f8    # Negative case, using wrong name of field
-${fields}         softwareImages,additionalArtifacts
+${fields}         failureDetails
 ${VAR_SEPERATOR}    &
 
 ${callbackResp}    localhost