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This is part of my error remedy reference collection. I create this series as a personal reference and I share it in the hope this series could help you fix bugs more easily.

Description

When running my Jest test scripts I encountered the following error:

Error

Solution

• Clear cache jest

jest --clearCache

• Delete the ./dist folder

rm -rf ./dist

System:

• node: 13.12..0
• jest: 25.2.1
• ts-jest: 25.3.1
• typescript: 3.8.3