How to interact with the non-interactable Web Elements in Selenium

How to interact with the non-interact able Web Elements in Selenium 

 // Find the non-interactable element

element WebElement element = driver.findElement(By.id("hidden-or-covered-button"));

// 2. Cast the driver to JavascriptExecutor JavascriptExecutor js = (JavascriptExecutor) driver;

// 3. Execute the native JS click method on the element js.executeScript("arguments[0].click();", element);

Solved: Unable to Install TestNG Library in Eclipse

Kindly use the following url 

http://dl.bintray.com/testng-team/testng-eclipse-release/

instead of http://beust.com/eclipse because all components removed from there

Selenium TestNG - Running Multiple TestNG Classes using Java Main Class

List file=new ArrayList();
file.add("/home/selenium-workspace/starauto/starEE.xml");
file.add("/home/selenium-workspace/starauto/starDD.xml");
TestNG testSTAR = new TestNG();
testSTAR.setTestSuites(file);
testSTAR.run();