assertEquals(443, testHandler.getDefaultPort());
        }

        @Test
        @DisplayName("Should handle multiple instances")
        void testMultipleInstances() {
            // When
            Handler handler1 = new Handler(null);
            Handler handler2 = new Handler(null);
            Handler handler3 = new Handler(null);

            // Then

            assertEquals(443, testHandler.getDefaultPort());
        }

        @Test
        @DisplayName("Should handle multiple instances")
        void testMultipleInstances() {
            // When
            Handler handler1 = new Handler();
            Handler handler2 = new Handler();
            Handler handler3 = new Handler();

            // Then