diff --git a/pom.xml b/pom.xml
index 32c4583..778ba6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1 +1,48 @@
-<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.movoto.tests</groupId>
    <artifactId>selenium-example</artifactId>
    <version>1.0-SNAPSHOT</version>


    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-java</artifactId>
            <version>3.0.1</version>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-chrome-driver</artifactId>
            <version>3.0.1</version>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>htmlunit-driver</artifactId>
            <version>2.23.2</version>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-firefox-driver</artifactId>
            <version>3.0.1</version>
        </dependency>

    </dependencies>


</project>
\ No newline at end of file
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.movoto.tests</groupId>
+    <artifactId>selenium-example</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+
+    <dependencies>
+       <dependency>
+    <groupId>junit</groupId>
+    <artifactId>junit</artifactId>
+    <version>4.13.2</version> <!-- Latest version -->
+    <scope>test</scope>
+</dependency>
+
+<dependency>
+    <groupId>org.seleniumhq.selenium</groupId>
+    <artifactId>selenium-java</artifactId>
+    <version>4.11.0</version> <!-- Latest version -->
+</dependency>
+
+<dependency>
+    <groupId>org.seleniumhq.selenium</groupId>
+    <artifactId>selenium-chrome-driver</artifactId>
+    <version>4.11.0</version> <!-- Latest version -->
+</dependency>
+
+<dependency>
+    <groupId>org.seleniumhq.selenium</groupId>
+    <artifactId>htmlunit-driver</artifactId>
+    <version>2.70.0</version> <!-- Latest version -->
+</dependency>
+
+<dependency>
+    <groupId>org.seleniumhq.selenium</groupId>
+    <artifactId>selenium-firefox-driver</artifactId>
+    <version>4.11.0</version> <!-- Latest version -->
+</dependency>
+
+
+    </dependencies>
+
+
+</project>
diff --git a/src/test/java/org/movoto/selenium/example/ChromeDriverTest.java b/src/test/java/org/movoto/selenium/example/ChromeDriverTest.java
index 0fe8b02..7650cb4 100644
--- a/src/test/java/org/movoto/selenium/example/ChromeDriverTest.java
+++ b/src/test/java/org/movoto/selenium/example/ChromeDriverTest.java
@@ -1,28 +1,18 @@
-package org.movoto.selenium.example;
-
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.openqa.selenium.By;
-import org.openqa.selenium.Dimension;
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.WebElement;
 import org.openqa.selenium.chrome.ChromeDriver;
-import org.openqa.selenium.firefox.MarionetteDriver;
-import org.openqa.selenium.interactions.Actions;
 import org.openqa.selenium.support.ui.ExpectedCondition;
 import org.openqa.selenium.support.ui.WebDriverWait;
 
 import java.io.IOException;
 import java.util.List;
-import java.util.concurrent.TimeUnit;
 
 import static org.junit.Assert.assertTrue;
 
-/**
- * Created by haozuo on 3/22/16.
- */
 public class ChromeDriverTest {
 
     private String testUrl;
@@ -35,47 +25,44 @@ public void prepare() {
                 "webdriver.chrome.driver",
                 "webdriver/chromedriver");
 
-        testUrl = "https://leftstick.github.io/";
+        testUrl = "https://www.youtube.com/";
 
-        // Create a new instance of the Chrome driver
-        // Notice that the remainder of the code relies on the interface,
-        // not the implementation.
+        // Initialize ChromeDriver
         driver = new ChromeDriver();
 
-        //maximize window
+        // Maximize window
         driver.manage().window().maximize();
 
-        // And now use this to visit myBlog
-        // Alternatively the same thing can be done like this
-        // driver.navigate().to(testUrl);
+        // Navigate to test URL
         driver.get(testUrl);
     }
 
-    @Test
-    public void testTitle() throws IOException {
-
-        // Find elements by attribute lang="READ_MORE_BTN"
-        List<WebElement> elements = driver
-                .findElements(By.cssSelector("[lang=\"READ_MORE_BTN\"]"));
-
-        //Click the selected button
-        elements.get(0).click();
-
-
-        assertTrue("The page title should be chagned as expected",
-                (new WebDriverWait(driver, 5))
-                        .until(new ExpectedCondition<Boolean>() {
-                            public Boolean apply(WebDriver d) {
-                                return d.getTitle().equals("我眼中软件工程人员该有的常识");
-                            }
-                        })
-        );
+   @Test
+public void testTitle() throws IOException {
+    // Find elements by attribute lang="READ_MORE_BTN"
+    List<WebElement> elements = driver
+            .findElements(By.cssSelector("[lang=\"READ_MORE_BTN\"]"));
+
+    // Click the selected button
+    elements.get(0).click();
+
+    // Wait for the page title to change and assert it
+    assertTrue("The page title should be changed as expected",
+            (new WebDriverWait(driver, java.time.Duration.ofSeconds(5)))
+                    .until(new ExpectedCondition<Boolean>() {
+                        public Boolean apply(WebDriver d) {
+                            return d.getTitle().equals("我眼中软件工程人员该有的常识");
+                        }
+                    })
+    );
+}
 
-    }
 
     @After
     public void teardown() throws IOException {
-        driver.quit();
+        // Check if driver is not null before quitting
+        if (driver != null) {
+            driver.quit();
+        }
     }
-
 }
diff --git a/src/test/java/org/movoto/selenium/example/FirefoxTest.java b/src/test/java/org/movoto/selenium/example/FirefoxTest.java
deleted file mode 100644
index 761b7aa..0000000
--- a/src/test/java/org/movoto/selenium/example/FirefoxTest.java
+++ /dev/null
@@ -1,74 +0,0 @@
-package org.movoto.selenium.example;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Ignore;
-import org.junit.Test;
-import org.openqa.selenium.By;
-import org.openqa.selenium.Dimension;
-import org.openqa.selenium.WebDriver;
-import org.openqa.selenium.WebElement;
-import org.openqa.selenium.firefox.FirefoxDriver;
-import org.openqa.selenium.htmlunit.HtmlUnitDriver;
-import org.openqa.selenium.support.ui.ExpectedCondition;
-import org.openqa.selenium.support.ui.WebDriverWait;
-
-import java.io.IOException;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-
-import static org.junit.Assert.assertTrue;
-
-/**
- * Created by haozuo on 3/23/16.
- */
-public class FirefoxTest {
-
-    private String testUrl;
-    private WebDriver driver;
-
-    @Before
-    public void prepare() {
-
-        testUrl = "https://leftstick.github.io/";
-
-        System.setProperty("webdriver.gecko.driver","webdriver/geckodriver");
-
-        // Create a new instance of the Chrome driver
-        // Notice that the remainder of the code relies on the interface,
-        // not the implementation.
-        driver = new FirefoxDriver();
-
-        // And now use this to visit myBlog
-        // Alternatively the same thing can be done like this
-        // driver.navigate().to(testUrl);
-        driver.get(testUrl);
-    }
-
-    @Test
-    public void testTitle() throws IOException {
-
-        // Find elements by attribute lang="READ_MORE_BTN"
-        List<WebElement> elements = driver
-                .findElements(By.cssSelector("[lang=\"READ_MORE_BTN\"]"));
-
-        //Click the selected button
-        elements.get(0).click();
-
-
-        assertTrue("The page title should be chagned as expected",
-                (new WebDriverWait(driver, 3))
-                        .until(new ExpectedCondition<Boolean>() {
-                            public Boolean apply(WebDriver d) {
-                                return d.getTitle().equals("我眼中软件工程人员该有的常识");
-                            }
-                        })
-        );
-    }
-
-    @After
-    public void teardown() throws IOException {
-        driver.quit();
-    }
-
-}
diff --git a/src/test/java/org/movoto/selenium/example/SafariTest.java b/src/test/java/org/movoto/selenium/example/SafariTest.java
deleted file mode 100644
index e6405e1..0000000
--- a/src/test/java/org/movoto/selenium/example/SafariTest.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package org.movoto.selenium.example;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Ignore;
-import org.junit.Test;
-import org.openqa.selenium.*;
-import org.openqa.selenium.interactions.Actions;
-import org.openqa.selenium.interactions.Mouse;
-import org.openqa.selenium.safari.SafariDriver;
-import org.openqa.selenium.support.ui.ExpectedCondition;
-import org.openqa.selenium.support.ui.WebDriverWait;
-
-import java.io.IOException;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-
-import static org.junit.Assert.assertTrue;
-
-/**
- * Created by haozuo on 3/22/16.
- */
-public class SafariTest {
-
-    private String testUrl;
-    private WebDriver driver;
-
-    @Before
-    public void prepare() {
-
-        testUrl = "https://leftstick.github.io/";
-
-        driver = new SafariDriver();
-        driver.manage().window().maximize();
-        driver.get(testUrl);
-    }
-
-    @Test
-    public void testTitle() throws IOException {
-
-        // Find elements by attribute lang="READ_MORE_BTN"
-        List<WebElement> elements = driver
-                .findElements(By.cssSelector("[lang=\"READ_MORE_BTN\"]"));
-
-        //Click the selected button
-        elements.get(0).click();
-
-
-        assertTrue("The page title should be chagned as expected",
-                (new WebDriverWait(driver, 5))
-                        .until(new ExpectedCondition<Boolean>() {
-                            public Boolean apply(WebDriver d) {
-                                return d.getTitle().equals("我眼中软件工程人员该有的常识");
-                            }
-                        })
-        );
-
-    }
-
-    @After
-    public void teardown() throws IOException {
-        driver.quit();
-    }
-
-}