Commissioning at Scale Is a Sequencing Problem, Not a Testing Problem
The first site I ever failed to place in service passed every acceptance test I wrote for it. Cameras streamed. Switches held their uplinks under a simulated fiber cut. Audio was intelligible at every measurement point. The paperwork was clean. It still sat dark for three weeks, because the room where one of the redundant paths terminated belonged to a different crew on a different contract with a different completion date, and nobody had drawn that edge on any schedule. My validation was fine.
