Multiple asserts in the same test methods are very useful

ContentParserTest.java

@Test
public void can_find_simple_hashtags() {
	assertThat(parser.hashTags("#hashtag")).containsOnly("#hashtag");
	assertThat(parser.hashTags("#HASHTAG")).containsOnly("#HASHTAG");
	assertThat(parser.hashTags("#123hashtag")).containsOnly("#123hashtag");
	assertThat(parser.hashTags("#hash123tag")).containsOnly("#hash123tag");
	assertThat(parser.hashTags("#hashtag123")).containsOnly("#hashtag123");
}