text: import callr from "./callr.mjs";
  
  describe(`callr`, () => {
    test(`[1, 2, 3] + console.log`, () => {
      const log = jest.spyOn(console, `log`);
  
      // given
      const given = [1, 2, 3];
  
      // when
      callr(given, console.log);
  
      // then
      expect(log).toHaveBeenCalledWith(given);
    });
  });
  