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

SOL002/VNFIndicator-API/IndividualVNFindicator.robot

SOL002/VNFIndicator-API/VnfIndicatorsInVnfInstanceId.robot

SOL002/VNFPerformanceManagement-API/IndividualPmJob.robot

...PerformanceManagement-API/environment/IndividualPmJob.txt

SOL005/NSLifecycleManagement-API/CancelOperationTask.robot

SOL005/NSLifecycleManagement-API/ContinueOperationTask.robot

SOL005/NSLifecycleManagement-API/FailOperationTask.robot

...05/NSLifecycleManagement-API/NSLCMOperationKeywords.robot

SOL005/NSLifecycleManagement-API/NotificationEndpoint.robot

SOL005/NSLifecycleManagement-API/RetryOperationTask.robot

SOL005/NSLifecycleManagement-API/RollbackOperationTask.robot