expect(isAsyncFunction(/[a-z]/i)).toBe(false)
expect(isAsyncFunction(new Error())).toBe(false)
expect(isAsyncFunction(new Map())).toBe(false)
expect(isAsyncFunction(/[a-z]/i)).toBe(false)
expect(isAsyncFunction(new Error())).toBe(false)
expect(isAsyncFunction(new Map())).toBe(false)