conftest.py

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.by import By
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import pytest


@pytest.fixture(scope='module')
def driver():
    chrome_options = Options()
    chrome_options.add_argument("--headless")
    chrome_options.add_argument("--disable-gpu")
    chrome_options.add_argument("--window-size=1920x1018")
    chrome_options.add_argument("--no-sandbox")

    driver = webdriver.Chrome(options=chrome_options)
    driver.maximize_window()
    driver.implicitly_wait(10)

    yield driver
    driver.quit()


@pytest.fixture(scope='function')
def login(driver):
    driver.get("https://tutorialsninja.com/demo/index.php?route=account/login")

    WebDriverWait(driver, 10).until(
        EC.presence_of_element_located((By.NAME, 'email'))
    )
    driver.find_element(By.NAME, 'email').send_keys('lusine.testavetisyan@gmail.com')
    driver.find_element(By.NAME, 'password').send_keys('Alina!2018')

    login_button = driver.find_element(By.XPATH, '//*[@id="content"]/div/div[2]/div/form/input')
    login_button.click()

    yield