assertEquals(it.crossVersionTests, File(dir, "src/crossVersionTest").isDirectory, "${it.name}'s crossVersionTests is wrong!")
        }
    }

    @Test
    fun allSubprojectsDefineTheirUnitTestPropertyCorrectly() {
        val projectDirsWithUnitTests = model.subprojects.subprojects
            .filter { it.unitTests }
            .map { File("..", it.path) }