fix Ipv6 Routing Table stub test
fix Ipv6 Routing Table stub test

The test was depending in internal of the driver which changed during this release cycle.

neo4j/neo4j-javascript-driver,neo4j/neo4j-javascript-driver,neo4j/neo4j-javascript-driver,neo4j/neo4j-javascript-driver,neo4j/neo4j-javascript-driver