Merge branch 'master' of https://forge.etsi.org/gitlab/stf/stf-557/api-tests.git

SOL002/VNFIndicator-API/VNFIndicators.robot

...02/VNFPerformanceManagement-API/environment/variables.txt

SOL003/VNFIndicator-API/IndividualSubscription.robot

SOL003/VNFIndicator-API/IndividualVNFindicator.robot

SOL003/VNFIndicator-API/Subscriptions.robot

SOL003/VNFIndicator-API/VNFIndicators.robot

SOL003/VNFIndicator-API/VNFIndicatorsKeywords.robot

SOL003/VNFIndicator-API/VnfIndicatorsInVnfInstanceId.robot

...3/VNFIndicator-API/environment/individualSubscription.txt

...3/VNFIndicator-API/environment/individualVnfIndicator.txt

SOL003/VNFIndicator-API/environment/variables.txt