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Check if you have any function declared as async, apart from `deleteTestData` itself. Inside the task function, you should return a `new Promise` literally, and have a `resolve` command inside it.  Check this case here: https://docs.cypress.io/api/commands/task#Return-a-Promise-from-an-asynchronous-task I was also trying something similar but this one seems like a better idea, I'll try on my end as well. Thanks for the insight.