diff --git a/crates/core/src/io.rs b/crates/core/src/io.rs
index 4b76b546..7774d6c2 100644
--- a/crates/core/src/io.rs
+++ b/crates/core/src/io.rs
@@ -236,6 +236,7 @@ where
 
 #[cfg(test)]
 mod tests {
+    use stac_types::SelfHref;
     use tempfile::TempDir;
 
     use crate::{Catalog, Collection, Item, ItemCollection};
@@ -324,7 +325,9 @@ mod tests {
     fn write() {
         let tempdir = TempDir::new().unwrap();
         let item = Item::new("an-id");
+        println!("writing");
         super::write(tempdir.path().join("item.json"), item).unwrap();
+        println!("reading");
         let item: Item = super::read(tempdir.path().join("item.json")).unwrap();
         assert_eq!(item.id, "an-id");
     }