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Why do data-driven tests increase test coverage in Selenium Python?

easy📝 Conceptual Q11 of 15
Selenium Python - Data-Driven Testing
Why do data-driven tests increase test coverage in Selenium Python?
ABecause they skip validation steps
BBecause they reduce the number of test cases to one
CBecause they only test the UI layout
DBecause they run the same test steps with many different inputs
Step-by-Step Solution
Solution:

  1. Step 1: Understand data-driven testing concept

    Data-driven tests repeat the same test steps but use different input data sets.

  2. Step 2: Connect data variation to coverage

    Using many inputs helps test more scenarios, increasing coverage and finding more bugs.

  3. Final Answer:

    Because they run the same test steps with many different inputs -> Option D

  4. Quick Check:

    Data-driven tests = many inputs = more coverage [OK]
Quick Trick: More inputs mean more scenarios tested [OK]
Common Mistakes:
  • Thinking data-driven tests reduce test cases
  • Confusing UI layout testing with data-driven testing
  • Believing data-driven tests skip validations

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