diff --git a/crates/workspace/src/dock.rs b/crates/workspace/src/dock.rs
index 19fed4bf59004f917d86943f96cd45f8e0c6c4ab..d830f3474499ccb3e8b9ed9439eb4fe747de1153 100644
--- a/crates/workspace/src/dock.rs
+++ b/crates/workspace/src/dock.rs
@@ -470,7 +470,7 @@ mod tests {
     use super::*;
     use crate::{
         dock,
-        item::test::TestItem,
+        item::{self, test::TestItem},
         persistence::model::{
             SerializedItem, SerializedPane, SerializedPaneGroup, SerializedWorkspace,
         },
@@ -492,7 +492,7 @@ mod tests {
         Settings::test_async(cx);
 
         cx.update(|cx| {
-            register_deserializable_item::<TestItem>(cx);
+            register_deserializable_item::<item::test::TestItem>(cx);
         });
 
         let serialized_workspace = SerializedWorkspace {
@@ -508,7 +508,7 @@ mod tests {
                 children: vec![SerializedItem {
                     active: true,
                     item_id: 0,
-                    kind: "test".into(),
+                    kind: "TestItem".into(),
                 }],
             },
             left_sidebar_open: false,
diff --git a/crates/workspace/src/item.rs b/crates/workspace/src/item.rs
index 0a8311fd5cb3998a392908c522fc7f5e1efbe792..19385038e4a81bd06c4fb2f63d78cca9840b0c4a 100644
--- a/crates/workspace/src/item.rs
+++ b/crates/workspace/src/item.rs
@@ -919,7 +919,7 @@ pub(crate) mod test {
         }
 
         fn serialized_item_kind() -> Option<&'static str> {
-            None
+            Some("TestItem")
         }
 
         fn deserialize(