message: Fix the comment in the test
diff: # ----------------------------------------------------------------
  # Step 01: Start network from pre-built stage.
  -# Step 02: Await era-id >= 1.
  +# Step 02: Await era-id >= 2.
  # Step 03: Stage nodes 1-5 and upgrade.
  # Step 04: Assert upgraded nodes 1-5.
  # Step 05: Assert nodes 1-5 didn't stall.
  