SignInTest.java

import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.Assert;
import org.testng.annotations.Test;

public class SignInTest extends TestBase {

    WebDriver driver = new ChromeDriver();

    @Test
    public void shouldThrowAnErrorIfSignInDetailsAreMissing() throws InterruptedException {

        setDriverPath();

        driver.get("https://www.cleartrip.com/");

        driver.findElement(By.linkText("Your trips")).click();
        driver.findElement(By.id("SignIn")).click();

        driver.switchTo().frame("modal_window");

        Thread.sleep(10000);
        WebElement element = driver.findElement(By.id("signInButton"));

        JavascriptExecutor executor = (JavascriptExecutor) driver;
        executor.executeScript("arguments[0].click();", element);


        String errors1 = driver.findElement(By.id("errors1")).getText();
        Assert.assertTrue(errors1.contains("There were errors in your submission"));
        driver.quit();
    }


}