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A team adopts shift-left testing and starts writing automated unit tests during development. What is the expected impact on bug detection?

medium📝 Predict Output Q5 of 15
Testing Fundamentals - Testing Models and Approaches
A team adopts shift-left testing and starts writing automated unit tests during development. What is the expected impact on bug detection?
ANo change in bug detection timing
BFewer bugs found overall
CMore bugs found earlier in development
DBugs only found during system testing
Step-by-Step Solution
Solution:

  1. Step 1: Understand shift-left effect on testing

    Writing automated unit tests early helps find bugs sooner.

  2. Step 2: Predict bug detection timing

    More bugs are caught earlier, reducing late-stage defects.

  3. Final Answer:

    More bugs found earlier in development -> Option C

  4. Quick Check:

    Shift-left impact = Early bug detection [OK]
Quick Trick: Automate early tests to catch bugs sooner [OK]
Common Mistakes:
  • Thinking bugs decrease overall
  • Believing bugs only found late
  • Assuming no timing change

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