message: Make some uneccessarily exposed items private
diff: @@ -20,7 +20,7 @@ fn main() {
  #[derive(Deserialize, Debug, Copy, Clone)]
  #[serde(rename_all = "kebab-case")]
  -pub enum TestMode {
  +enum TestMode {
  Module,
  Term,
  }
  @@ -106,7 +106,7 @@ enum ExpectedOutcome {
  }
  impl<'a> Command<'a> {
  - pub fn snap_name(&self) -> &'static str {
  + fn snap_name(&self) -> &'static str {
  match self {
  Command::Normalise => "norm",
  Command::ElabModule | Command::ElabTerm | Command::ParseData(_, _) => "",
  @@ -124,7 +124,7 @@ impl<'a> Command<'a> {
  }
  /// Recursively walk over test files under a file path.
  -pub fn find_source_files(root: impl AsRef<Path>) -> impl Iterator<Item = PathBuf> {
  +fn find_source_files(root: impl AsRef<Path>) -> impl Iterator<Item = PathBuf> {
  WalkDir::new(root)
  .into_iter()
  .filter_map(|entry| entry.ok())
  