Test automation on real mobile devices

import io.appium.java_client.ios.IOSDriver;
import io.appium.java_client.ios.IOSElement;
import io.appium.java_client.remote.MobileBrowserType;
import org.openqa.selenium.By;
import org.openqa.selenium.ScreenOrientation;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.testng.Assert;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;

public class LocalMobileTest {
    private String accessKey = "ACCESS_KEY";
    WebDriverWait webDriverWait = null;
    protected IOSDriver<IOSElement> driver = null;
    DesiredCapabilities dc = new DesiredCapabilities();

    @BeforeTest
    public void setUp() throws MalformedURLException {
        dc.setCapability("accessKey", accessKey);
        dc.setCapability("testName", "Quick Start iOS Browser Demo");
        dc.setCapability("deviceQuery", "@os='ios' and @category='PHONE'");
        dc.setBrowserName(MobileBrowserType.SAFARI);
        driver = new IOSDriver<>(new URL("https://mobiledevicecloud.t-systems-mms.eu/wd/hub"), dc);
        webDriverWait = new WebDriverWait(driver, 5);
    }

    @Test
    public void quickStartiOSBrowserDemo() {
        driver.rotate(ScreenOrientation.PORTRAIT);

        driver.get("https://mobiledevice.cloud/");

        waitUntilElementLoaded("//*[@id='no_consent']").click();
        waitUntilElementLoaded("//*[@class='navbar-toggler-icon']").click();

        waitUntilElementLoaded("//*[@id='blog']").click();
        waitUntilElementLoaded("//*[@id='article1']").click();

        WebElement author = waitUntilElementLoaded("//*[@class='author']");

        Assert.assertTrue(author.isDisplayed());

        waitUntilElementLoaded("//*[@class='navbar-toggler-icon']").click();
        waitUntilElementLoaded("//*[@id='link_faq']").click();

        List<WebElement> faq_blocks = waitUntilElementsLoaded("//*[@class='faq_block']");
        WebElement faqSearch = waitUntilElementLoaded("//*[@id='faq-search']");

        Assert.assertTrue(faqSearch.isDisplayed());
        Assert.assertTrue(
            faq_blocks.size() > 0,
            "Expected at least one faq_block element, but there are no elements with that name");
        Assert.assertEquals(
            faq_blocks.size(),
            12,
            "Expected twelve faq_block elements, but there are " + faq_blocks.size() + " elements");

        faqSearch.sendKeys("automatisierte");

        List<WebElement> found_faqs = waitUntilElementsLoaded("//*[@class='faq_block search-hit']");

        Assert.assertTrue(
            found_faqs.size() > 0,
            "Expected at least one faq_block element, but there are no elements with that name");
        Assert.assertEquals(
            found_faqs.size(),
            5,
            "Expected five faq_block elements, but there are " + found_faqs.size() + " elements");
    }

    @AfterTest
    public void tearDown() {
        System.out.println("Report URL: "+ driver.getCapabilities().getCapability("reportUrl"));
        driver.quit();
    }

    private WebElement waitUntilElementLoaded(String xpath) {
        return webDriverWait.until(ExpectedConditions.presenceOfElementLocated(By.xpath(xpath)));
    }

    private List<WebElement> waitUntilElementsLoaded(String xpath) {
        return webDriverWait.until(ExpectedConditions.presenceOfAllElementsLocatedBy(By.xpath(xpath)));
    }
}