* @param preconditionClass the class of the precondition to be checked
     * @return true if the precondition is <i>not</i> satisfied
     */
    static boolean notSatisfied(Class<? extends TestPrecondition> preconditionClass) throws Exception {
        return !satisfied(preconditionClass);
    }

        // Fix for issue: https://github.com/gradle/gradle-private/issues/3728
        if (TestPrecondition.satisfied(UnitTestPreconditions.MacOs) && TestPrecondition.notSatisfied(UnitTestPreconditions.MacOsM1)) {
            def quietPeriod = 250
            waitAtEndOfBuildForQuietPeriod(quietPeriod)
        }
    }

    def "changes to upstream project triggers build of downstream"() {