handle pod status error

perfmetrics/scripts/testing_on_gke/examples/run-gke-tests.sh

@@ -648,7 +648,7 @@ function waitTillAllPodsComplete() {
  if [ ${num_completed_pods} -gt 0 ]; then
  printf ${num_completed_pods}" pod(s) completed.\n"
  fi
- num_noncompleted_pods=$(echo "${podslist}" | tail -n +2 | grep -i -v 'completed\|succeeded\|fail' | wc -l)
+ num_noncompleted_pods=$(echo "${podslist}" | tail -n +2 | grep -i -v 'completed\|succeeded\|fail\|error' | wc -l)
  num_failed_pods=$(echo "${podslist}" | tail -n +2 | grep -i 'failed' | wc -l)
  if [ ${num_failed_pods} -gt 0 ]; then
  printf ${num_failed_pods}" pod(s) failed.\n\n"