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In a CI pipeline, if Selenium tests are run in parallel but share the same browser session, what is the likely outcome?

medium📝 Predict Output Q5 of 15
Selenium Python - CI/CD Integration
In a CI pipeline, if Selenium tests are run in parallel but share the same browser session, what is the likely outcome?
ATests will run independently without issues
BTests will interfere and cause failures
CTests will run slower but pass
DTests will automatically create new sessions
Step-by-Step Solution
Solution:

  1. Step 1: Analyze sharing browser session in parallel tests

    Sharing the same browser session causes tests to overwrite each other's state.

  2. Step 2: Predict test behavior

    This interference leads to unpredictable failures and flaky tests.

  3. Final Answer:

    Tests will interfere and cause failures -> Option B

  4. Quick Check:

    Shared browser session causes test interference [OK]
Quick Trick: Use separate browser sessions for parallel tests [OK]
Common Mistakes:
  • Assuming tests run independently with shared sessions
  • Thinking tests run slower but pass
  • Believing sessions auto-create without code

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