A Selenium Webdriver test that compares CSS classes

cssVariableDemo01.java

@Test(testName = "Click 'A' Test", description = "Check that you can click the 'A' key and the correct response triggers", groups = {"01Drums"})
    public void aKeyTest() {

        driver.findElement(By.xpath("/html/body/div[2]/div[1]")).click();
        WebElement aKey = driver.findElement(By.xpath("/html/body/div/div[1]"));
        Actions builder = new Actions(driver);
        Action sendAKey = builder.moveToElement(aKey).sendKeys("A").build();
        sendAKey.perform();
        Assert.assertEquals(aKey.getAttribute("class"), "key playing");
    }