@Test
public void shouldReturnNullFromParseTextTestIfNotFollowedByOpenAndCloseParenthesis() {

    assertThat(parser.parseTextTest(tokenize("text x )")), is(nullValue()));
    assertThat(parser.parseTextTest(tokenize("text(x )")), is(nullValue()));
    assertThat(parser.parseTextTest(tokenize("text(x")), is(nullValue()));
}