Modern QA2026Practical Exercise — tiles
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7.9Practical Exercise

  1. Write a regex that extracts all error-level log lines from a log file and groups them by service name (text in square brackets like [PaymentService])
  2. Parse a JSON API response and validate that all items have required fields, correct types, and no sensitive data
  3. Write a function that converts a HAR file (JSON format) into a summary: total requests, average response time, and error count
  4. Create a YAML-based test data file and write a pytest parametrize test that reads from it
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