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Property 'toBeInTheDocument' does not exist on type 'Jest Matchers<HTMLElement>'.

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1. 문제 상황

Property 'toBeInTheDocument' does not exist on type 'Jest Matchers<HTMLElement>'.

2. 해결 방법

• 방법 1

  yarn add -D @types/testing-library__jest-dom
  

warning an update to forwardref inside a test was not wrapped in act(...)

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