SampleIT.java

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
import org.openqa.selenium.By;

import java.net.URL;

import static org.junit.jupiter.api.Assertions.assertAll;
import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * @author banterCZ
 */
public class SampleIT {

    private WebDriver webDriver;

    @Test
    @DisplayName("use case foo")
    void groupedAssertions() {
        webDriver.get("http://10.20.30.1/myapp/form-under-test");
        assertAll("mandatoryColor",
                () -> checkMandatoryColor("firstname"),
                () -> checkMandatoryColor("lastname")
        );

        //...
        //may continue
    }

    private void checkMandatoryColor(String name) {
        String expectedColor = "rgba(180, 49, 4, 1)";
        WebElement element = webDriver.findElement(By.name(name));
        String actualColor = element.getCssValue("border-bottom-color");
        assertEquals(expectedColor, actualColor, "Field: " + name);
    }

    @BeforeEach
    void setup() throws Exception {
        DesiredCapabilities abilities = DesiredCapabilities.firefox();
        webDriver = new RemoteWebDriver(new URL("http://10.20.30.40:4444/wd/hub"), abilities);
    }

    @AfterEach
    void tearDown() {
        webDriver.quit();
    }

}