A new capability available in 2.40 is the ability to significantly reduce the “noise” of false positives during playbacks. This is achieved by running a “base-line” playback into a precise database copy that allows the customer to understand the “noise” in the system. A second playback is then required (separate execution queue) that is done into a system that contains the changes to be tested. The failures in the second (latter) queue are compared to the base-line. If they happened there for the same reason, these are excluded from defect proposal generation for the second queue – thus reducing the noise.

The following process is required to achieve this:

  1. Run a playback into an exact copied system (same database, no changes)
  2. Copy the execution queue within the same test plan
  3. Restore the target system to the snapshot
  4. Deploy changes that are to be tested
  5. Re-run the playback of the second queue
  6. Run defect proposal with new parameters to activate double playback


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