class LoginPage()
    username = driver.TextField(:id, "username")
    password = ...
    submit = ...
    close_welcome_modal = ...

    def login(uname, pwd)
        username.type_text(uname)
        password.type_text(pwd)
        submit.click()
        close_welcome_modal.click()

    def verify_on_page()
        # assert that our username element is present, else throw an exception with Error message
        assertTrue (username.present(), "Error: we are not on the Login page")

class HomePage()
    def verify_on_page()
        assertTrue (main_menu.present(), "Error: we are not on the Home page")

class TestClass()
    def Test_Positive()
        lp = LoginPage()
        hp = HomePage()

        lp.login(data.uname, data.pwd)  # valid user/pwd
        hp.verify_on_page()  # we're on the homepage
        passed = true