package com.vaadin.tests.components.twincolselect; import com.vaadin.testbench.elements.ButtonElement; import com.vaadin.testbench.elements.TwinColSelectElement; import com.vaadin.tests.tb3.MultiBrowserTest; import org.junit.Before; import org.junit.Test; import static org.junit.Assert.assertEquals; public class TwinColSelectAndIdBasedDataProviderTest extends MultiBrowserTest { @Before public void setUp() { openTestURL(); } @Test public void TestSelection() { assertEquals(getTwinColElement().getValues().size(), 1); $(ButtonElement.class).first().click(); assertEquals(getTwinColElement().getValues().size(), 0); } private TwinColSelectElement getTwinColElement() { return $(TwinColSelectElement.class).first(); } }