driver.get(appUrl + "/#/login");
WebDriverWait wait = new WebDriverWait(driver, 10);
WebElement user = wait.until(ExpectedConditions.presenceOfElementLocated(By.cssSelector("input[type=\"text\"]")));
user.sendKeys("demo");
WebElement password= wait.until(ExpectedConditions.presenceOfElementLocated(By.cssSelector("input[type=\"password\"]")));
password.sendKeys("demo");
WebElement submit = wait.until(ExpectedConditions.presenceOfElementLocated(By.cssSelector("button[type=\"submit\"]")));