Testng Runner is not opening website

[Muhammad Ahmad Junaid]

I was using Testng and it was perfectly fine. I pushed my code to github then suddenly Testng runner is not opening website. It is just showing data in the url section. Main class is working fine and it is opening website. but Testng runner is not opening website. 

Im using webdriver manager. 

Here is the main dependencies of pom.xml 

<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-java</artifactId>
<version>4.21.0</version>
</dependency>


<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-chrome-driver</artifactId>
<version>4.21.0</version>
</dependency>

<dependency>
<groupId>io.github.bonigarcia</groupId>
<artifactId>webdrivermanager</artifactId>
<version>5.8.0</version>
</dependency>

<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>
<version>7.10.2</version>
</dependency>