test: close webdriver after each unit test

Author: javier-godoy

src/test/java/com/flowingcode/vaadin/addons/chipfield/integration/AbstractViewTest.java

@@ -6,6 +6,7 @@
 import org.hamcrest.Description;
 import org.hamcrest.Matcher;
 import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Rule;
@@ -72,6 +73,11 @@ public void setup() throws Exception {
 		getDriver().get(getURL(route));
 	}
 
+	@After
+	public void after() {
+		getDriver().close();
+	}
+
 	/**
 	 * Returns deployment host name concatenated with route.
 	 *