Selenium Grid File Upload

// NOTE: replace USERNAME:ACCESS_KEY@HUB_SUBDOMAIN and VIDEO_URL with your credentials found in the Gridlastic dashboard

import junit.framework.TestCase;
import org.openqa.selenium.*;
import org.openqa.selenium.remote.*;
import java.io.File;
import java.net.URL;
import java.util.concurrent.TimeUnit;

public class selenium_file_upload extends TestCase {
    private RemoteWebDriver driver;

    public void setUp() throws Exception {
        DesiredCapabilities capabilities = DesiredCapabilities.internetExplorer();
        capabilities.setCapability("version", "11");
        capabilities.setCapability("platform", Platform.WIN10);
        capabilities.setCapability("platformName", "windows");
        capabilities.setCapability("video", "True");
        capabilities.setCapability("ie.fileUploadDialogTimeout", 10000); // First time open of the internet explorer file upload dialog box is slow.
        
        driver = new RemoteWebDriver(
           new URL("https://USERNAME:ACCESS_KEY@HUB_SUBDOMAIN.gridlastic.com/wd/hub"),
           capabilities);
        driver.setFileDetector(new LocalFileDetector()); // Files will be uploaded from local machine via the selenium grid.
        driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
        System.out.println("GRIDLASTIC VIDEO URL: " + VIDEO_URL + ((RemoteWebDriver) driver).getSessionId()); 
    }

    public void test_google_image_search() throws Exception {
	driver.get("https://www.google.com/ncr");
	driver.findElement(By.linkText("Images")).click();
	driver.findElementByCssSelector("[aria-label='Search by image']").click();;
	driver.findElement(By.linkText("Upload an image")).click();
	Thread.sleep(3000); // slow down for demo purposes
	WebElement inputFilePath = driver.findElement(By.id("qbfile"));
	File uploadedFile = new File("C:/Users/homework/Desktop/googlelogo_color_272x92dp.png"); // local machine file location
	inputFilePath.sendKeys(uploadedFile.getAbsolutePath());	
	Thread.sleep(10000); // slow down for demo purposes
 }

    public void tearDown() throws Exception {
        driver.quit();
    }
}