text: jest.setTimeout(30000);
  
  const { isFn } = require("../src/utils");
  
  test("is fonction", () => {
    const isFunction = () => {};
    const isNotFunction1 = true;
    const isNotFunction2 = "foo";
    const isNotFunction3 = { foo: "bar" };
  
    expect(isFn(isFunction)).toBe(true);
    expect(isFn(isNotFunction1)).toBe(false);
    expect(isFn(isNotFunction2)).toBe(false);
    expect(isFn(isNotFunction3)).toBe(false);
  });
  