[devit]

It passes cargo check with this change.

  diff --git a/cli/src/test.rs b/cli/src/test.rs
  index ac4807bf..8b9882ab 100644
  --- a/cli/src/test.rs
  +++ b/cli/src/test.rs
  @@ -410,16 +410,17 @@ fn parse_test_content(name: String, content: String, file_path: Option<PathBuf>)
           .map(|b| String::from_utf8_lossy(b).to_string())
           .map(|s| escape_reserved_regex_chars(&s));
       
  -    let suffixHeaderPattern : Option<String> = suffix
  +    let suffixHeaderPattern : Option<String> = suffix.as_ref()
           .map(|s| String::from(r"^===+") + &s + r"\r?\n([^=]*)\r?\n===+" + &s + r"\r?\n");
       
  -    let suffixDividerPattern: Option<String> = suffix
  +    let suffixDividerPattern: Option<String> = suffix.as_ref()
           .map(|s| String::from(r"^---+") + &s + r"\r?\n");
   
  -    let headerRegex = suffixHeaderPattern
  -        .and_then(|s| ByteRegexBuilder::new(&s[..]).multi_line(true).build().ok())
  -        .as_ref()
  -        .unwrap_or(&HEADER_REGEX);
  +    let headerRegexFromSuffixHeaderPattern = suffixHeaderPattern.as_ref()
  +        .and_then(|s| ByteRegexBuilder::new(&s[..]).multi_line(true).build().ok());
  +
  +    let headerRegex = headerRegexFromSuffixHeaderPattern
  +        .as_ref().unwrap_or(&HEADER_REGEX);
   
       // Identify all of the test descriptions using the `======` headers.
       for (header_start, header_end) in headerRegex

[ahelwer]

Thank you for this! the .as_ref() seems to solve a lot of the problems, since I guess just doing a straight .map() takes ownership of the contained string.