Cannot locate an element on page driver.findElement(By.id("Passwd"))

Steps:

1. Go To gmail.com - OK

2.Fill valid Email - OK

3Press Next - OK

4 Find element by id="Passwd" FAIL

The test fails because of a valid input field id= "Passwd". But i checked gmail.com and the field have id="Passwd" and Name="Passwd". I Tried with CSS locator and test failed again.

I tried to put a time gap between Clicking "Next" and filling a password into field. Doesn`t help.

Maybe it`s because When you Put your Email into field and clicking "Next" there is some script which transfer "Email input form" to "Password input Form" How i can solve this problem?

import org.junit.After;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;


public class GmailSIgnInTest {
    WebDriver driver = new FirefoxDriver();
    @Test
    public void loginShouldBeSuccessfull() {
        driver.get("http://gmail.com");
       WebElement userNameTextBox = driver.findElement(By.id("Email"));
        userNameTextBox.clear();
        userNameTextBox.sendKeys("MY EMAIL HERE");
        WebElement userNextButtonClick = driver.findElement(By.id("next"));
        userNextButtonClick.click();

        WebElement userPasswordTextBox = driver.findElement(By.id("Passwd")); // TEST FAIL
        userPasswordTextBox.clear();
        userPasswordTextBox.sendKeys("MY PASSWORD HERE")

;