1 files changed, 11 insertions, 9 deletions

diff --git a/tests/frontmatter.rs b/tests/frontmatter.rs
index 012eb9a..6195a5a 100644
--- a/tests/frontmatter.rs
+++ b/tests/frontmatter.rs
@@ -3,7 +3,7 @@ use micromark::{micromark, micromark_with_options, Constructs, Options};
 use pretty_assertions::assert_eq;
 
 #[test]
-fn frontmatter() {
+fn frontmatter() -> Result<(), String> {
     let frontmatter = Options {
         constructs: Constructs {
             frontmatter: true,
@@ -19,50 +19,52 @@ fn frontmatter() {
     );
 
     assert_eq!(
-        micromark_with_options("---\ntitle: Jupyter\n---", &frontmatter),
+        micromark_with_options("---\ntitle: Jupyter\n---", &frontmatter)?,
         "",
         "should support frontmatter (yaml)"
     );
 
     assert_eq!(
-        micromark_with_options("+++\ntitle = \"Jupyter\"\n+++", &frontmatter),
+        micromark_with_options("+++\ntitle = \"Jupyter\"\n+++", &frontmatter)?,
         "",
         "should support frontmatter (toml)"
     );
 
     assert_eq!(
-        micromark_with_options("---\n---", &frontmatter),
+        micromark_with_options("---\n---", &frontmatter)?,
         "",
         "should support empty frontmatter"
     );
 
     assert_eq!(
-        micromark_with_options("---\n---\n## Neptune", &frontmatter),
+        micromark_with_options("---\n---\n## Neptune", &frontmatter)?,
         "<h2>Neptune</h2>",
         "should support content after frontmatter"
     );
 
     assert_eq!(
-        micromark_with_options("## Neptune\n---\n---", &frontmatter),
+        micromark_with_options("## Neptune\n---\n---", &frontmatter)?,
         "<h2>Neptune</h2>\n<hr />\n<hr />",
         "should not support frontmatter after content"
     );
 
     assert_eq!(
-        micromark_with_options("> ---\n> ---\n> ## Neptune", &frontmatter),
+        micromark_with_options("> ---\n> ---\n> ## Neptune", &frontmatter)?,
         "<blockquote>\n<hr />\n<hr />\n<h2>Neptune</h2>\n</blockquote>",
         "should not support frontmatter in a container"
     );
 
     assert_eq!(
-        micromark_with_options("---", &frontmatter),
+        micromark_with_options("---", &frontmatter)?,
         "<hr />",
         "should not support just an opening fence"
     );
 
     assert_eq!(
-        micromark_with_options("---\ntitle: Neptune", &frontmatter),
+        micromark_with_options("---\ntitle: Neptune", &frontmatter)?,
         "<hr />\n<p>title: Neptune</p>",
         "should not support a missing closing fence"
     );
+
+    Ok(())
 }