vaadin-framework/uitest/src/test/java/com/vaadin/tests/components/FileDownloaderUITest.java

package com.vaadin.tests.components;

import org.junit.Test;
import org.openqa.selenium.By;

import com.vaadin.testbench.elements.ButtonElement;
import com.vaadin.tests.tb3.MultiBrowserTest;

public class FileDownloaderUITest extends MultiBrowserTest {

    @Test
    public void ensureButtonWithDownloaderCanBeRemoved() {
        openTestURL();
        By id = By.id("com.vaadin.ui.ButtonDynamicimage");
        assertElementPresent(id);
        $(ButtonElement.class).caption("Remove first download button").first()
                .click();
        assertElementNotPresent(id);
    }

}