anchor.diff:  `conf/neo4j-server.properties`
   [source,properties]
   ----
  +# database location
  +org.neo4j.server.database.location=data/graph.db
  +
   # http port (for all data, administrative, and UI access)
   org.neo4j.server.webserver.port=7474
   
  
positive.code: `conf/neo4j-server.properties`
  [source,properties]
  ----
  # http port (for all data, administrative, and UI access)
  org.neo4j.server.webserver.port=7476
  
  
negative.code: `conf/neo4j-server.properties`
  [source,properties]
  ----
  # database location
  org.neo4j.server.database.location=data/graph.db
  
  # http port (for all data, administrative, and UI access)
  org.neo4j.server.webserver.port=7475
  
  