Pitfalls interview questions

12 Pitfalls questions from the Testing bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. What is Over-mocking?

Mid
  1. A.an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones
  2. B.replacing so many collaborators with doubles that a check verifies wiring rather than real behavior
  3. C.a check that fails on harmless internal refactors because it is coupled to incidental details
  4. D.a defect where checks must run in a particular order because they share and mutate common state

Answer + AI explanation with Pro

2. Which term means: "replacing so many collaborators with doubles that a check verifies wiring rather than real behavior"?

Mid
  1. A.Ice-cream-cone anti-pattern
  2. B.Over-mocking
  3. C.Test interdependence
  4. D.Brittle test

Answer + AI explanation with Pro

3. Which statement is correct?

Mid
  1. A.Over-mocking — replacing so many collaborators with doubles that a check verifies wiring rather than real behavior
  2. B.Over-mocking — a check that fails on harmless internal refactors because it is coupled to incidental details
  3. C.Over-mocking — an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones
  4. D.Over-mocking — a defect where checks must run in a particular order because they share and mutate common state

Answer + AI explanation with Pro

4. What is Brittle test?

Junior
  1. A.a check that fails on harmless internal refactors because it is coupled to incidental details
  2. B.replacing so many collaborators with doubles that a check verifies wiring rather than real behavior
  3. C.an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones
  4. D.a defect where checks must run in a particular order because they share and mutate common state

Answer + AI explanation with Pro

5. Which term means: "a check that fails on harmless internal refactors because it is coupled to incidental details"?

Junior
  1. A.Brittle test
  2. B.Test interdependence
  3. C.Ice-cream-cone anti-pattern
  4. D.Over-mocking

Answer + AI explanation with Pro

6. Which statement is correct?

Junior
  1. A.Brittle test — a check that fails on harmless internal refactors because it is coupled to incidental details
  2. B.Brittle test — replacing so many collaborators with doubles that a check verifies wiring rather than real behavior
  3. C.Brittle test — an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones
  4. D.Brittle test — a defect where checks must run in a particular order because they share and mutate common state

Answer + AI explanation with Pro

7. What is Ice-cream-cone anti-pattern?

Mid
  1. A.a check that fails on harmless internal refactors because it is coupled to incidental details
  2. B.an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones
  3. C.a defect where checks must run in a particular order because they share and mutate common state
  4. D.replacing so many collaborators with doubles that a check verifies wiring rather than real behavior

Answer + AI explanation with Pro

8. Which term means: "an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones"?

Mid
  1. A.Test interdependence
  2. B.Over-mocking
  3. C.Brittle test
  4. D.Ice-cream-cone anti-pattern

Answer + AI explanation with Pro

9. Which statement is correct?

Mid
  1. A.Ice-cream-cone anti-pattern — an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones
  2. B.Ice-cream-cone anti-pattern — replacing so many collaborators with doubles that a check verifies wiring rather than real behavior
  3. C.Ice-cream-cone anti-pattern — a defect where checks must run in a particular order because they share and mutate common state
  4. D.Ice-cream-cone anti-pattern — a check that fails on harmless internal refactors because it is coupled to incidental details

Answer + AI explanation with Pro

10. What is Test interdependence?

Senior
  1. A.a defect where checks must run in a particular order because they share and mutate common state
  2. B.an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones
  3. C.replacing so many collaborators with doubles that a check verifies wiring rather than real behavior
  4. D.a check that fails on harmless internal refactors because it is coupled to incidental details

Answer + AI explanation with Pro

11. Which term means: "a defect where checks must run in a particular order because they share and mutate common state"?

Senior
  1. A.Brittle test
  2. B.Over-mocking
  3. C.Test interdependence
  4. D.Ice-cream-cone anti-pattern

Answer + AI explanation with Pro

12. Which statement is correct?

Senior
  1. A.Test interdependence — a defect where checks must run in a particular order because they share and mutate common state
  2. B.Test interdependence — a check that fails on harmless internal refactors because it is coupled to incidental details
  3. C.Test interdependence — an inverted suite shape with mostly slow full-stack checks and very few fast low-level ones
  4. D.Test interdependence — replacing so many collaborators with doubles that a check verifies wiring rather than real behavior

Answer + AI explanation with Pro

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