Start Neo4j Impermanent Database + REST Server on random port for test

gistfile1.java

        db = new TestGraphDatabaseFactory().newImpermanentDatabase();

        boolean available = db.isAvailable(5000);
        assert available;

        int start = -1;
        Random random = new Random();
        while (start != 0) {
            port = RANDOM_PORTS_LOWER_BOUND + random.nextInt(RANDOM_PORTS_COUNT);
            try {
                GraphDatabaseAPI api = (GraphDatabaseAPI) db;
                ServerConfigurator config = new ServerConfigurator(api);
                config.configuration().addProperty(Configurator.WEBSERVER_ADDRESS_PROPERTY_KEY, NEO4J_EMBEDDED_HOST);
                config.configuration().addProperty(Configurator.WEBSERVER_PORT_PROPERTY_KEY, port);
                config.configuration().addProperty("dbms.security.auth_enabled", false);
                neoServerBootstrapper = new WrappingNeoServerBootstrapper(api, config);
                start = neoServerBootstrapper.start();
            } catch (Exception e) {
                fail("Unable to start neo4j test server !", e);
            }
        }

        this.graphFile = graphFile;
        this.client = new Neo4jRestClient(NEO4J_EMBEDDED_HOST, port, NEO4J_EMBEDDED_PROTOCOL);