when:
        def result = dependencyHandler.someConf("someNotation", "someOther")

        then:
        result == null

        and:
        1 * dependencyFactory.createDependency("someNotation") >> dependency1
        1 * dependencyFactory.createDependency("someOther") >> dependency2
        1 * dependencySet.add(dependency1)
        1 * dependencySet.add(dependency2)
    }