then:
        1 * visitor.startVisit(FileCollectionInternal.OTHER, filtered) >> true
        1 * visitor.visitCollection(FileCollectionInternal.OTHER, filtered)
        0 * _
    }

    void hasNoDependencies() {
        expect:
        assertThat(new TestFileCollection().getBuildDependencies().getDependencies(null), isEmpty())
    }

    void fileTreeHasSameDependenciesAsThis() {