@Test
public void testWithNGram() {

	// Given
	String tweet = "it's not bad movie";
	TwitterTokenizer tokenizer = new TwitterTokenizer(2, 2);
	// When
	List<String> actualTokens = tokenizer.tokenize(tweet);
	// Then
	List<String> expectedTokens = Arrays.asList("_ bad", "bad", "bad movi", "movi");
	assertEquals(expectedTokens, actualTokens);
}