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The container starts with 15 items and lazily appends 10 more (after an 800 ms delay) each time you near the bottom, up to 100. Item #35 hides a distinctive sentence — scroll until it exists, then assert it.

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#1Flaky tests are bugs with better lawyers.

#2Assert what the user sees, not what the DOM whispers.

#3Every hard-coded sleep is a small apology to the scheduler.

#4Selectors should survive a redesign, not just a demo.

#5The best bug report reproduces itself.

#6Coverage tells you where you have been, not where it hurts.

#7A test that never fails is on vacation, not on duty.

#8A green suite you never re-ran is just a screenshot of the past.

#9Flaky tests are bugs with better lawyers.

#10Assert what the user sees, not what the DOM whispers.

#11Every hard-coded sleep is a small apology to the scheduler.

#12Selectors should survive a redesign, not just a demo.

#13The best bug report reproduces itself.

#14Coverage tells you where you have been, not where it hurts.

#15A test that never fails is on vacation, not on duty.