refactoring:testEmojiPickerActionListener

src/test/java/TestEmojiPicker.java

@@ -51,24 +51,24 @@ 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);
     
-      JTextField textField = new JTextField();
-      
-      EmojiPicker emojiPicker = new EmojiPicker(textField);
-      
-      Component[] components = emojiPicker.getComponents();
-      
-      for (Component component : components) {
-          assertTrue(component instanceof JButton);
-          
-          JButton button = (JButton) component;
-            assertNotNull(button.getActionListeners());
+    // Act
+    Component[] components = emojiPicker.getComponents();
 
-              assertEquals(1, button.getActionListeners().length);
-          assertTrue(button.getActionListeners()[0] instanceof EmojiPicker.EmojiActionListener);
-      }
+    // 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);
+    }
   }
   
   @Test