@Test method is not waiting selenium code to complete its execution

package demoActitime;

import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.Test;

public class LoginActitime {


    private String UN;
    private String Pass;
    private WebElement username;
    private WebElement password;
    private WebDriver driver = new FirefoxDriver();


    private String Url = "http://ift.tt/1M5mOrB";
    private String Urlvalid = "http://ift.tt/1HpuG2V";

    //  
    //  @BeforeSuite
    //  public void Initialize()
    //  {
    //     
    //  }


    @AfterMethod
    public void findElements()
    {



        driver.manage().timeouts().implicitlyWait(30,TimeUnit.SECONDS);
        driver.get(Url);

        String xpathUsername = "//input[@id='username']";
        String xpathPassword = "//input[@type='password']";
        String xpathLogin = "//a[@id='loginButton']/div";

        driver.findElement(By.xpath(xpathUsername)).clear();
        driver.findElement(By.xpath(xpathPassword)).clear();
        driver.findElement(By.xpath(xpathUsername)).sendKeys(UN);
        driver.findElement(By.xpath(xpathPassword)).sendKeys(Pass);
        driver.findElement(By.xpath(xpathLogin)).click();



        String currentUrl = driver.getCurrentUrl();


        if(currentUrl.equals(Urlvalid))
        {
            System.out.println("Login Successfull");
        }
        else
        {
            System.out.println("Login Denied");
        //  driver.close();

        }



    }


    @Test(priority = 0)
    public void LoginValidUNInvalidPass()
    {
        this.UN="admin";
        this.Pass="basheer";

        System.out.println("LoginValidUNInvalidPass");  }
    @Test()
    public void LoginValidUNValidPass()
    {
        this.UN="admin";
        this.Pass="manager";
        System.out.println("LoginValidUNValidPass");

    }

        @Test
        public void LoginInValidUNInvalidPass()
        {
            this.UN="basheer";
            this.Pass="basheer";
            System.out.println("LoginInValidUNInvalidPass");
        }

        @Test
        public void LoginInValidUNValidPass()
        {
            this.UN="basheer";
            this.Pass="manager";
            System.out.println("LoginInValidUNValidPass");
        }





}

The above code is to check login functionality of a website, where in the @Test method is not waiting web driver to return the current URL of the browser, the eclipse shows the test execution is completed.