ByPlaceholderText[Testing Library]

getByPlaceholderText(
  container?: HTMLElement,
  text: TextMatch,
  options?: {
    exact?: boolean = true,
    normalizer?: NormalizerFn,
  }): HTMLElement

• placerholer에 있는 텍스트를 가져오는 쿼리 메서드

<input placeholder="Username" />

on test
import {screen} from '@testing-library/dom'

const inputNode = screen.getByPlaceholderText('Username')