Set up your applications and the test environment.

def set_up(self):
        """Set up your applications and the test environment."""
        self.path.state = self.path.gen.joinpath("state")
        if self.path.state.exists():
            self.path.state.rmtree(ignore_errors=True)
        self.path.state.mkdir()

        for script in self.given.get("scripts", []):
            script_path = self.path.state.joinpath(script)

            if not script_path.dirname().exists():
                script_path.dirname().makedirs()

            script_path.write_text(self.given["scripts"][script])
            script_path.chmod("u+x")

        for filename, contents in self.given.get("files", {}).items():
            self.path.state.joinpath(filename).write_text(contents)

        self.python = hitchpylibrarytoolkit.project_build(
            "commandlib", self.path, self.given["python version"]
        ).bin.python

        self.example_py_code = (
            ExamplePythonCode(self.python, self.path.state)
            .with_code(self.given.get("code", ""))
            .with_setup_code(self.given.get("setup", ""))
        )