lesson2.4_step7.py

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC


browser = webdriver.Chrome("/usr/local/bin/chromedriver")

browser.get("http://suninjuly.github.io/wait2.html")

# говорим Selenium проверять в течение 5 секунд, пока кнопка не станет кликабельной
button = WebDriverWait(browser, 5).until(
        EC.element_to_be_clickable((By.ID, "verify"))
    )
button.click()
message = browser.find_element_by_id("verify_message")

assert "successful" in message.text