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What is the main benefit of running Selenium tests in headless mode on a Continuous Integration (CI) server?

easy📝 Conceptual Q11 of 15
Selenium Python - CI/CD Integration
What is the main benefit of running Selenium tests in headless mode on a Continuous Integration (CI) server?
ATests require manual interaction to proceed
BTests can only run on Windows operating systems
CTests run faster and use fewer resources because no browser window is displayed
DTests produce more detailed screenshots automatically
Step-by-Step Solution
Solution:
  1. Step 1: Understand headless mode purpose

    Headless mode runs the browser without opening a visible window, saving system resources.
  2. Step 2: Relate to CI environment needs

    CI servers often run tests automatically without user interaction, so headless mode speeds up tests and reduces resource use.
  3. Final Answer:

    Tests run faster and use fewer resources because no browser window is displayed -> Option C
  4. Quick Check:

    Headless mode = faster, resource-saving tests [OK]
Quick Trick: Headless means no browser window, so tests run faster [OK]
Common Mistakes:
  • Thinking headless mode requires manual input
  • Believing headless mode only works on Windows
  • Assuming headless mode automatically creates screenshots

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