protocolHelper.init();

        assertEquals(2, protocolHelper.getWebProtocols().length);

        protocolHelper.addWebProtocol("http");
        assertEquals(2, protocolHelper.getWebProtocols().length); // Should not increase

        protocolHelper.addWebProtocol("https");
        assertEquals(2, protocolHelper.getWebProtocols().length); // Should not increase
    }