renamed the addon class

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.configuration.updateBuildConfiguration": "interactive"
+}

src/test/java/org/vaadin/addons/mygroup/AddonView.java

@@ -1,40 +1,41 @@
 package org.vaadin.addons.mygroup;
 
 import com.vaadin.flow.component.button.Button;
-import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.component.html.Paragraph;
 import com.vaadin.flow.component.notification.Notification;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
 import com.vaadin.flow.router.Route;
 
 @Route("")
-public class AddonView extends Div {
+public class AddonView extends VerticalLayout {
 
     public AddonView() {
-final NPS nps = new NPS();
-nps.setId("nps");  // This is for automated tests
-
-// Button to start the feed process
-add(new Button("Ask NPS", e -> {
-    add(nps);
-}));
-
-// Get the score and remove component
-nps.addValueChangeListener(e-> {
-    Notification.show("Value changed from "+e.getOldValue()+" to "+e.getValue());
-    add(new Paragraph("NPS: " +e.getOldValue()+" -> "+e.getValue()));
-    remove(nps);
-});
-
-// Edit the the score
-add(new Button("Edit score", e -> {
-    nps.setValue((int)Math.ceil(Math.random()*10));
-    add(nps);
-}));
-
-// Test read-only state
-add(new Button("Toggle read-only", e -> {
-    nps.setReadOnly(!nps.isReadOnly());
-}));
+        final NPS nps = new NPS();
+        nps.setId("nps"); // This is for automated tests
+
+        // Button to start the feed process
+        add(new Button("Ask NPS", e -> {
+            add(nps);
+        }));
+
+        // Get the score and remove component
+        nps.addValueChangeListener(e -> {
+            Notification.show("Value changed from " + e.getOldValue() + " to " + e.getValue());
+            add(new Paragraph("NPS: " + e.getOldValue() + " -> " + e.getValue()));
+            remove(nps);
+        });
+
+        // Edit the the score
+        add(new Button("Edit score", e -> {
+            nps.setValue((int) Math.ceil(Math.random() * 10));
+            add(nps);
+        }));
+
+        // Test read-only state
+        add(new Button("Toggle read-only", e -> {
+            nps.setReadOnly(!nps.isReadOnly());
+        }));
+
 
     }
 }