package ru.stqa.java.addressbook.tests;

import org.openqa.selenium.By;
import org.openqa.selenium.NoAlertPresentException;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxOptions;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import java.util.concurrent.TimeUnit;

public class ContactDeletionTests {
    FirefoxDriver wd;
    
    @BeforeMethod
    public void setUp() throws Exception {
        wd = new FirefoxDriver(new FirefoxOptions().setLegacy(true));
        wd.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS);
    }
    
    @Test
    public void ContactDeletionTests() {
        wd.get("http://localhost/addressbook/");
        wd.findElement(By.name("user")).click();
        wd.findElement(By.name("user")).clear();
        wd.findElement(By.name("user")).sendKeys("admin");
        wd.findElement(By.name("pass")).click();
        wd.findElement(By.name("pass")).clear();
        wd.findElement(By.name("pass")).sendKeys("secret");
        wd.findElement(By.xpath("//form[@id='LoginForm']/input[3]")).click();
        wd.findElement(By.name("selected[]")).click();
        wd.findElement(By.xpath("//div[@id='content']/form[2]/div[2]/input")).click();
        wd.switchTo().alert().accept();
    }
    
    @AfterMethod
    public void tearDown() {
        wd.quit();
    }
    
    public static boolean isAlertPresent(FirefoxDriver wd) {
        try {
            wd.switchTo().alert();
            return true;
        } catch (NoAlertPresentException e) {
            return false;
        }
    }
}

package ru.stqa.java.addressbook.tests;

import org.openqa.selenium.By;
import org.openqa.selenium.NoAlertPresentException;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxOptions;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import java.util.concurrent.TimeUnit;

public class ContactDeletionTests {
    FirefoxDriver wd;
    
    @BeforeMethod
    public void setUp() throws Exception {
        wd = new FirefoxDriver(new FirefoxOptions().setLegacy(true));
        wd.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS);
    }
    
    @Test
    public void testContactDeletion() {
        wd.get("http://localhost/addressbook/");
        wd.findElement(By.name("user")).click();
        wd.findElement(By.name("user")).clear();
        wd.findElement(By.name("user")).sendKeys("admin");
        wd.findElement(By.name("pass")).click();
        wd.findElement(By.name("pass")).clear();
        wd.findElement(By.name("pass")).sendKeys("secret");
        wd.findElement(By.xpath("//form[@id='LoginForm']/input[3]")).click();
        wd.findElement(By.name("selected[]")).click();
        wd.findElement(By.xpath("//div[@id='content']/form[2]/div[2]/input")).click();
        wd.switchTo().alert().accept();
    }
    
    @AfterMethod
    public void tearDown() {
        wd.quit();
    }
    
    public static boolean isAlertPresent(FirefoxDriver wd) {
        try {
            wd.switchTo().alert();
            return true;
        } catch (NoAlertPresentException e) {
            return false;
        }
    }
}

rename method