writeFile(produceFile(fileName), text)

    private
    fun writeFile(file: File, text: String): File =
        file.apply { writeText(text) }

    protected
    fun withBuildSrc() =
        withFile(
            "buildSrc/src/main/groovy/build/Foo.groovy",
            """
            package build
            class Foo {}
            """
        )

    protected