TestNG Project Check_Logging_in.java test case

package ExtentReports;

import com.aventstack.extentreports.ExtentTest;
import com.aventstack.extentreports.Status;
import org.openqa.selenium.By;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;

public class Check_Logging_In extends Load_Test{

    @BeforeTest
    public void before_login(){

    }


    @Test
    public void Login(){
        ExtentTest login_test = extent.createTest("Login with USERNAME & PASSWORD Test");
        try{
            driver.findElement(By.id("user-name")).sendKeys("standard_user");
            driver.findElement(By.id("password")).sendKeys("secret_sauce");
            driver.findElement(By.id("login-button")).click();
            String username = driver.findElement(By.id("user-name")).getText();
            login_test.log(Status.INFO, "Username: "+username);
            login_test.log(Status.INFO,"Logging in: Pass");
            extent.flush();
        }
        catch (Throwable t){
            //login_test.log(Status.INFO, "Exception: "+t);
            //System.out.println("Exception: "+t);
            System.out.println("Logging in: "+t);
        }
    }

    @AfterTest
    public void after_login(){

    }
}

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With Warm REGARDS,

En. S. WANKHEDE