message: Add check for Assert in stderr.txt
diff: @@ -486,6 +486,12 @@ while [ "$NEXT_BLOCK_NUM" -le "$HEAD_BLOCK_NUM" ]; do
  NEXT_BLOCK_NUM=$((NEXT_BLOCK_NUM+1))
  done
  +ASSERT_ERRORS="$(grep Assert tn_data_0/stderr.txt)"
  +count=`grep -c Assert tn_data_0/stderr.txt`
  +if [ $count != 0 ]; then
  + error "FAILURE - Assert in tn_data_0/stderr.txt"
  +fi
  +
  killAll
  cleanup
  echo "END" >> $TEST_OUTPUT
  