reason - not working tests

change application.properties username and password prefix from spring.data.neo4j to spring.neo4j

Author: michaelstankiewiczcoding

complete/src/main/resources/application.properties

@@ -1,3 +1,3 @@
 spring.neo4j.uri=bolt://localhost:7687
-spring.data.neo4j.username=neo4j
-spring.data.neo4j.password=secret
+spring.neo4j.authentication.username=neo4j
+spring.neo4j.authentication.password=secret