}

    @Test
    fun `does not install to a file`() {
        val file = File(target, "some_file.txt").also {
            it.writeText("some content")
        }
        target = file

        assertFails("Install directory $file is not valid: it is actually a file")
        assertTrue(file.exists())
    }

    @Test
    fun `does not install to non-empty dir without lib`() {
        target.resolve("bin").apply {