*** /home/edb/Projects/Undo/zheap/src/test/isolation/expected/multiple-row-versions.out	2018-10-31 11:19:33.832914341 +0530
--- /home/edb/Projects/Undo/zheap/src/test/isolation/output_iso/results/multiple-row-versions.out	2018-11-15 14:07:40.717922314 +0530
***************
*** 19,24 ****
--- 19,25 ----
  1                             
  step c4: COMMIT;
  step c3: COMMIT;
+ ERROR:  could not serialize access due to read/write dependencies among transactions
  step wz1: UPDATE t SET txt = 'a' WHERE id = 1;
  ERROR:  could not serialize access due to read/write dependencies among transactions
  step c1: COMMIT;

======================================================================