pom.xml

   <!-- add to your pom.xml -->
    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-java</artifactId>
      <version>4.4.0</version>
    </dependency>

SimpleGridTest.java

package org.mms;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.openqa.selenium.Capabilities;
import org.openqa.selenium.chrome.ChromeOptions;
import org.openqa.selenium.edge.EdgeOptions;
import org.openqa.selenium.firefox.FirefoxOptions;
import org.openqa.selenium.remote.RemoteWebDriver;

import java.net.MalformedURLException;
import java.net.URL;

import static org.assertj.core.api.Assertions.assertThat;

public class SimpleGridTest
{
	RemoteWebDriver driver;

	String SELENIUM_VANILLA = "https://selenium-vanilla.nejmgroup-dev.org"; // Chrome, Linux
	String SELENIUM_PINEAPPLE = "https://selenium-pineapple.nejmgroup-dev.org"; // Edge, Linux
	String SELENIUM_MINT = "https://selenium-mint.nejmgroup-dev.org"; // Firefox, Linux


	@Before
	public void setup()
	{}

	@After
	public void teardown()
	{
		if (driver != null)
		{
			driver.quit();
		}
	}

	@Test
	public void usingChrome() throws MalformedURLException
	{
		URL url = new URL(SELENIUM_VANILLA);

		Capabilities capabilities = new ChromeOptions();
		System.out.println(capabilities);

		driver = new RemoteWebDriver(url, capabilities);
		System.out.println(driver);
		System.out.println(driver.getCapabilities());

		test();
	}

	@Test
	public void usingEdge() throws MalformedURLException
	{
		URL url = new URL(SELENIUM_PINEAPPLE);

		EdgeOptions options = new EdgeOptions();
//		options.setCapability("browserVersion", "latest");
//		options.setCapability("platformName", "Linux");

		driver = new RemoteWebDriver(url, options);

		test();
	}

	@Test
	public void usingFirefox() throws MalformedURLException
	{
		URL url = new URL(SELENIUM_MINT);

		FirefoxOptions options = new FirefoxOptions();
		options.setCapability("browserVersion", "latest");
		options.setCapability("platformName", "Linux");

		driver = new RemoteWebDriver(url, options);

		test();
	}

	public void test()
	{
		driver.get("https://www.nejm-qa.org");
		String title = driver.getTitle();
		System.out.println(title);
		assertThat(title).isNotEmpty();
	}
}