I.goTo("https://github.com")

​

// open mobile menu if the screen is narrow

if(TEST.width < 1000){

  I.click("Toggle navigation")

}

I.click("Sign in")

​

// fill in the sign in form

I.fill("Username", "brucewayne")

I.fill("Email", "[email protected]")

I.fill("Password", "supersecretpassword")

I.click("Sign in")

​

// check for errors

I.see("Incorrect username or password")

​

​