How I can do a concurrences test in katalon?

Product Forums Katalon Studio
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There is no direct facility available to do that in Katalon (yet - @ThanhTo @duyluong?)

There are two feature you could try to co-opt into supporting something similar:

  1. Parallel Testing (see here).

  2. Execute test by hand.

Executing single test cases by hand will allow you (within the limits of your test environment) to start as many copies as you wish.

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