Capture JavaScript console error using Selenium WebDriver Test Class

JavaScriptConsoleTests

package tests;

import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.logging.LogEntries;
import org.openqa.selenium.logging.LogEntry;
import org.openqa.selenium.logging.LogType;
import org.openqa.selenium.logging.Logs;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.testng.Assert;
import org.testng.annotations.*;

/**
 * Created by Amol Chavan on 09-09-2017.
 */
public class JavaScriptConsoleTests {
    WebDriver driver;
    String methodName;

    @BeforeClass
    void Setup(){
        System.setProperty("webdriver.chrome.driver", "C:\\Automation\\Selenium\\drivers\\chromedriver.exe");
        driver = new ChromeDriver();
        driver.manage().window().maximize();
    }

    @Test
    void checkRedditPageTitle(){
            driver.get("https://www.reddit.com");
            waitTillPageLoad();
            String pageTitle = driver.getTitle();
            Assert.assertEquals(pageTitle,"reddit: the front page of the internet");
            methodName= "checkRedditPageTitle";

    }

    @Test
    void checkSuperDemoPageTitle(){
        driver.get("https://superlogin-demo.herokuapp.com/login");
        waitTillPageLoad();
        String pageTitle = driver.getTitle();
        Assert.assertEquals(pageTitle,"SuperLogin Demo");
        methodName = "checkSuperDemoPageTitle";
    }


    private void waitTillPageLoad(){
        new WebDriverWait(driver, 30).until(driver -> ((JavascriptExecutor) driver).executeScript("return document.readyState").equals("complete"));
    }

    @AfterMethod
    void logJavaScriptConsoleError() {
        Logs logs = driver.manage().logs();
        LogEntries logEntries = logs.get(LogType.BROWSER);
        for(LogEntry logEntry :logEntries)
        {
            System.out.println("Console log found in Test- "+ methodName);
            System.out.println("__________________________________________________________");
            if (logEntry.getMessage().toLowerCase().contains("error")) {
                System.out.println("Error Message in Console:"+logEntry.getMessage());
            } else if (logEntry.getMessage().toLowerCase().contains("warning")){
                System.out.println("Warning Message in Console:"+logEntry.getMessage());
            }else{
                System.out.println("Information Message in Console:"+logEntry.getMessage());
            }
        }

    }

    @AfterClass
    void tearDown(){
        driver.close();
        driver.quit();
    }


}