private static boolean isParameterizedTest(Object target) {
        RunWith runWith = target.getClass().getAnnotation(RunWith.class);
        return runWith != null && Parameterized.class.equals(runWith.value());
    }
Returns the ScenarioBase instance of this rule
jgiven-junit/src/main/java/com/tngtech/jgiven/junit/JGivenMethodRule.java