failing:
  [
    "object-does-not-fit-within-print-width", "------",
    "TEST", "comma IS added here"
  ]

expected:
  [
    "object-fits-within-print-width", "",
    "TEST", "comma NOT here"
  ]

---

does not suffice: >
  [
    "object-does-not-fit-within-print-width", "------",
    "TEST", "comma NOT here — but object's now a string due to '>'"
  ]