text: const message = require('../message')
  
  test('it should return an empty array if no users in a message', () => {
    const text = 'Hello world'
    const users = message.extractMentionedUsers({ text })
    expect(users).toEqual([])
  })
  
  test('it should extract users from message', () => {
    const text = 'Hello <@world>'
    const users = message.extractMentionedUsers({ text })
    expect(users).toEqual(['world'])
  })
  