Updated error code according to server response

Author: pontusmelke

driver/src/main/java/org/neo4j/driver/internal/ClusteredNetworkSession.java

@@ -53,7 +53,7 @@ public StatementResult run( Statement statement )
         }
         catch ( ClientException e )
         {
-            if ( e.code().equals( "Neo.ClientError.General.ForbiddenOnFollower" ) )
+            if ( e.code().equals( "Neo.ClientError.Cluster.NotALeader" ) )
             {
                 onError.onWriteFailure( connection.address() );
                 throw new SessionExpiredException(

driver/src/main/java/org/neo4j/driver/internal/ClusteredStatementResult.java

@@ -256,6 +256,6 @@ private SessionExpiredException failedWrite()
 
     private boolean isFailedToWrite( ClientException e )
     {
-        return e.code().equals( "Neo.ClientError.General.ForbiddenOnFollower" );
+        return e.code().equals( "Neo.ClientError.Cluster.NotALeader" );
     }
 }

driver/src/test/resources/not_able_to_write_server.script

@@ -5,7 +5,7 @@
 
 C: RUN "CREATE ()" {}
 C: PULL_ALL
-S: FAILURE {"code": "Neo.ClientError.General.ForbiddenOnFollower", "message": "blabla"}
+S: FAILURE {"code": "Neo.ClientError.Cluster.NotALeader", "message": "blabla"}
 S: IGNORED
 C: ACK_FAILURE
 S: SUCCESS {}