Added `` around the command line output as it helps a lot to find the final enter in a new line.

Author: Zhen

driver/src/test/java/org/neo4j/driver/v1/util/cc/SharedCluster.java

@@ -139,7 +139,7 @@ private static Set<ClusterMember> parseStartCommandOutput( String output )
                 throw new IllegalArgumentException( String.format(
                         "Wrong start command output found at line [%s]. " +
                         "Expected to have 'http_uri bolt_uri path' on each nonempty line. " +
-                        "Command output:%n%s", i + 1, output ) );
+                        "Command output:%n`%s`", i + 1, output ) );
             }
 
             URI boltUri = URI.create( clusterMemberSplit[1] );