lecture 15 of 160 completed

Running without you, and running at scale

What changes on a build server, plus what Selenium Grid is and when a team actually needs it.

What you'll learn

  • What changes when tests run without you
  • What Grid is, and when a team actually needs it
  • Why a slow or flaky suite quietly stops being used

You write tests on your laptop. They do their real job on a build server: a machine that runs the whole suite automatically whenever someone changes the code. Most teams call this CI.

Three things change there.

There is no screen. The build server has no display, so the browser must run in headless mode, which means without a visible window:

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Keep reading with the full course

The Foundations track and the first 5 lectures of each framework are free. This lecture is part of the paid course, which unlocks every lecture, all three frameworks, and downloads.

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