You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: authentication_test.rb
    path of file: ./repos/godmin/test/integration
    
    the code of the file until where you have to start completion: require "test_helper"

class AuthenticationTest < ActionDispatch::IntegrationTest
  def test_sign_in_and_out
    AdminUser.creat
    
  def test_sign_in_with_non_default_user
    AnotherAdminUser.create!(email: "another_admin@example.com", password: "password")
    post another_admin_session_path, params: {
      another_admin_user: { email: "another_admin@example.com", password: "password" }
    }
    assert_redirected_to root_path
  end