assertThat(rule.description()).isEqualTo("Should avoid NULL");
assertThat(rule.severity()).isEqualTo(Severity.MINOR);
assertThat(rule.internalKey()).isNull();
assertThat(rule.params()).hasSize(1);
RuleParam param = rule.param("myParameter");
assertThat(param).isNotNull();
assertThat(param.description()).isEqualTo("My Parameter");
}