Yes, it is possible to skip waves by killing monsters faster. Recently, Mirade added information about the changes.
Tibiadrome2021-06-11 10CESTIf a Tibiadrome wave is defeated in a short time some waves will be skipped. The faster you kill a wave the more waves are skipped.Summons are now taking the correct amount of damage.The Highscores on the Website are now updated correctly.
Tibiadrome2021-06-11 10CEST
Source: www.test.tibia.com/forum/?action=thread&postid=34617#post34617
As for the time, it's hard to say at the moment. For sure, when the test server starts again, I will check it and add information, but everything may still change during the tests.
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