gistfile1.txt

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import org.testng.asserts.SoftAssert;

import java.time.Duration;
import java.util.List;

public class AddRemoveElementTest {

    WebDriver driver;

    @BeforeMethod
    public void setup() {
        ChromeOptions options = new ChromeOptions();
        options.addArguments("start-maximized");
        driver = new ChromeDriver(options);
        driver.manage().timeouts().implicitlyWait(Duration.ofSeconds(10));
    }

    @Test
    public void checkAddRemoveElement() {
        SoftAssert softAssert = new SoftAssert();
        driver.get("http://the-internet.herokuapp.com/add_remove_elements/");

        driver.findElement(By.xpath("//button[text()='Add Element']")).click();
        driver.findElement(By.xpath("//button[text()='Add Element']")).click();

        List<WebElement> deletesButtons = driver.findElements(By.xpath("//button[text()='Delete']"));
        softAssert.assertEquals(deletesButtons.size(), 2, "Найдено не 2 кнопки 'Удалить'");

        driver.findElement(By.xpath("//button[text()='Delete']")).click();

        deletesButtons = driver.findElements(By.xpath("//button[text()='Delete']"));
        softAssert.assertEquals(deletesButtons.size(), 1, "Найдено не 1 кнопка 'Удалить'");
        
        softAssert.assertAll();
    }

    @AfterMethod(alwaysRun = true)
    public void tearDown() {
        driver.quit();
    }
}