refactoring:testEmojiPickerActionListener

src/test/java/TestEmojiPicker.java

@@ -51,21 +51,21 @@ public class TestEmojiPicker  {
     }
   }
   
+  // Test to ensure each emoji button has an EmojiActionListener attached
   @Test
   public void testEmojiPickerActionListener() {
-    
+    // Arrange
     JTextField textField = new JTextField();
-      
     EmojiPicker emojiPicker = new EmojiPicker(textField);
     
+    // Act
     Component[] components = emojiPicker.getComponents();
 
+    // Assert
     for (Component component : components) {
       assertTrue(component instanceof JButton);
-          
       JButton button = (JButton) component;
       assertNotNull(button.getActionListeners());
-          
       assertEquals(1, button.getActionListeners().length);
       assertTrue(button.getActionListeners()[0] instanceof EmojiPicker.EmojiActionListener);
     }