@TempDir
    lateinit var projectDir: File

    private
    fun File.mkdirsAndWriteText(text: String) {
        parentFile.mkdirs()
        writeText(text)
    }

    @BeforeEach
    fun setUp() {
        projectDir.resolve("settings.gradle.kts").writeText(
            """
            include(":failed-test-with-leftover")
            include(":successful-test-with-leftover")