Not running selenium JUnit tests after migration from selenium to katalon studio

It wouldn’t take much to change it to run in Katalon Studio though as a Test Case.

gSiteURL= "https://opensource-demo.orangehrmlive.com/web/index.php/auth/login";
WebUI.openBrowser(gSiteURL)
WebUI.waitForPageLoad(10)

WebUI.maximizeWindow()

def driver = DriverFactory.getWebDriver();

driver.findElement(By.name("username")).isDisplayed();
driver.findElement(By.name("username")).click();
driver.findElement(By.name("username")).sendKeys("Admin");

driver.findElement(By.name("password")).isDisplayed();
driver.findElement(By.name("password")).click();
driver.findElement(By.name("password")).sendKeys("admin123");

WebUI.waitForPageLoad(10)

driver.findElement(By.cssSelector(".oxd-button")).isDisplayed();
driver.findElement(By.cssSelector(".oxd-button")).click();
WebUI.waitForPageLoad(10)

driver.findElement(By.cssSelector(".oxd-main-menu-item-wrapper:nth-child(9) .oxd-text")).isDisplayed();
driver.findElement(By.cssSelector(".oxd-main-menu-item-wrapper:nth-child(9) .oxd-text")).click();
WebUI.waitForPageLoad(10)