@Test public void testIsValidWebUrl() {

    // Act + Assert:
	assertThat(WebFragment.isValidWebUrl("http://www.google.com"), is(true));
	assertThat(WebFragment.isValidWebUrl("www.google.com"), is(true));
	assertThat(WebFragment.isValidWebUrl("google.com"), is(true));
	assertThat(WebFragment.isValidWebUrl("google"), is(false));
}