refactoring:testEmojiPickerActionListenerFunctionality

src/test/java/TestEmojiPicker.java

@@ -71,24 +71,23 @@ public class TestEmojiPicker  {
     }
   }
   
+  //Test to verify the functionality of EmojiActionListener for each emoji button
   @Test
   public void testEmojiPickerActionListenerFunctionality() {
-        JTextField textField = new JTextField();
-     
-        EmojiPicker emojiPicker = new EmojiPicker(textField);
-        
-        Component[] components = emojiPicker.getComponents();
-        for (Component component : components) {
+    // Arrange
+    JTextField textField = new JTextField();
+    EmojiPicker emojiPicker = new EmojiPicker(textField);
+    Component[] components = emojiPicker.getComponents();
     
-           assertTrue(component instanceof JButton);
-          JButton button = (JButton) component;
+    // Act & Assert
+    for (Component component : components) {
+      assertTrue(component instanceof JButton);
+      JButton button = (JButton) component;
       EmojiPicker.EmojiActionListener actionListener = (EmojiPicker.EmojiActionListener) button.getActionListeners()[0];
-        
       assertNotNull(actionListener);
-         
       actionListener.actionPerformed(null);
-          assertEquals(button.getText(), textField.getText()); 
-      }
+      assertEquals(button.getText(), textField.getText()); // Check if emoji is appended to the text field
+    }
   }
 }