Function expectTextContent

tests/utils/index.js:266–277

(element, text)

 * @return {Promise}
 */
export const expectTextContent = async (element, text) => {
  await wait(() => {
    const textContent = getNodeText(element);
    if (textContent !== text) {
      throw new Error(
        `Text content not yet what is expected. Got: ${textContent}. Expecting: ${text}.`
      );
    } else {
      expect(textContent).toBe(text);
    }
  });
};

const ucfirst = str => `${str[0].toUpperCase()}${str.slice(1)}`;