jApiType.annotations >> annotations

        when:
        annotations.clear()

        then:
        rule.maybeViolation(jApiType).humanExplanation =~ 'Is not annotated with @Incubating'

        when:
        annotations.add(incubatingAnnotation)

        then:
        rule.maybeViolation(jApiType) == null

        where:
        apiElement    | jApiTypeName
        'interface'   | 'jApiClassifier'