Remove all non null values that are returned #119

Job	Run time
Test BaSyx Dynamic RBAC Example	4m 2s
Test BaSyx Client Example	2m 38s
Test BaSyx DataBridge Example	1m 52s
Test BaSyx Kafka Example	2m 7s
Test BaSyx Minimal Example	1m 49s
Test BaSyx NGINX Example	1m 42s
Test BaSyx Operation Delegation Example	2m 8s
Test BaSyx Secured Example	2m 6s
	18m 24s

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