diff --git a/components/net/indexeddb/engines/heed.rs b/components/net/indexeddb/engines/heed.rs
index bb51f924611..de605fa05a6 100644
--- a/components/net/indexeddb/engines/heed.rs
+++ b/components/net/indexeddb/engines/heed.rs
@@ -61,16 +61,14 @@ impl HeedEngine {
 }
 
 impl KvsEngine for HeedEngine {
-    fn create_store(&self, store_name: SanitizedName, auto_increment: bool) {
-        let mut write_txn = self
-            .heed_env
-            .write_txn()
-            .expect("Could not create idb store writer");
+    type Error = heed::Error;
+
+    fn create_store(&self, store_name: SanitizedName, auto_increment: bool) -> heed::Result<()> {
+        let mut write_txn = self.heed_env.write_txn()?;
         let _ = self.heed_env.clear_stale_readers();
         let new_store: HeedDatabase = self
             .heed_env
-            .create_database(&mut write_txn, Some(&*store_name.to_string()))
-            .expect("Failed to create idb store");
+            .create_database(&mut write_txn, Some(&*store_name.to_string()))?;
 
         write_txn.commit().expect("Failed to commit transaction");
 
@@ -85,30 +83,29 @@ impl KvsEngine for HeedEngine {
             .write()
             .expect("Could not acquire lock on stores")
             .insert(store_name, store);
+        Ok(())
     }
 
-    fn delete_store(&self, store_name: SanitizedName) {
+    fn delete_store(&self, store_name: SanitizedName) -> heed::Result<()> {
         // TODO: Actually delete store instead of just clearing it
-        let mut write_txn = self
-            .heed_env
-            .write_txn()
-            .expect("Could not create idb store writer");
+        let mut write_txn = self.heed_env.write_txn()?;
         let store: HeedDatabase = self
             .heed_env
-            .create_database(&mut write_txn, Some(&*store_name.to_string()))
-            .expect("Failed to create idb store");
-        store.clear(&mut write_txn).expect("Could not clear store");
+            .create_database(&mut write_txn, Some(&*store_name.to_string()))?;
+        store.clear(&mut write_txn)?;
         write_txn.commit().expect("Failed to commit transaction");
 
         let mut open_stores = self.open_stores.write().unwrap();
         open_stores.retain(|key, _| key != &store_name);
+        Ok(())
     }
 
-    fn close_store(&self, store_name: SanitizedName) {
+    fn close_store(&self, store_name: SanitizedName) -> heed::Result<()> {
         // FIXME: (arihant2math) unused
         // FIXME:(arihant2math) return error if no store ...
         let mut open_stores = self.open_stores.write().unwrap();
         open_stores.retain(|key, _| key != &store_name);
+        Ok(())
     }
 
     // Starts a transaction, processes all operations for that transaction,
@@ -162,12 +159,14 @@ impl KvsEngine for HeedEngine {
                 if tx.send(None).is_err() {
                     warn!("IDBTransaction's execution channel is dropped");
                 };
+
+                rtxn.commit().expect("Failed to commit transaction");
             });
         } else {
             self.write_pool.spawn(move || {
                 // Acquiring a writer will block the thread if another `readwrite` transaction is active
                 let env = heed_env;
-                let mut wtxn = env.write_txn().expect("Could not creat idb store writer");
+                let mut wtxn = env.write_txn().expect("Could not create idb store writer");
                 for request in transaction.requests {
                     match request.operation {
                         AsyncOperation::PutItem(key, value, overwrite) => {
diff --git a/components/net/indexeddb/engines/mod.rs b/components/net/indexeddb/engines/mod.rs
index 6e3b45b7659..5e8c46f21f4 100644
--- a/components/net/indexeddb/engines/mod.rs
+++ b/components/net/indexeddb/engines/mod.rs
@@ -57,12 +57,18 @@ pub struct KvsTransaction {
 }
 
 pub trait KvsEngine {
-    fn create_store(&self, store_name: SanitizedName, auto_increment: bool);
+    type Error;
 
-    fn delete_store(&self, store_name: SanitizedName);
+    fn create_store(
+        &self,
+        store_name: SanitizedName,
+        auto_increment: bool,
+    ) -> Result<(), Self::Error>;
+
+    fn delete_store(&self, store_name: SanitizedName) -> Result<(), Self::Error>;
 
     #[expect(dead_code)]
-    fn close_store(&self, store_name: SanitizedName);
+    fn close_store(&self, store_name: SanitizedName) -> Result<(), Self::Error>;
 
     fn process_transaction(
         &self,
diff --git a/components/net/indexeddb/idb_thread.rs b/components/net/indexeddb/idb_thread.rs
index 5a99359cc36..fd113832e82 100644
--- a/components/net/indexeddb/idb_thread.rs
+++ b/components/net/indexeddb/idb_thread.rs
@@ -135,9 +135,13 @@ impl<E: KvsEngine> IndexedDBEnvironment<E> {
         store_name: SanitizedName,
         auto_increment: bool,
     ) {
-        self.engine.create_store(store_name, auto_increment);
+        let result = self.engine.create_store(store_name, auto_increment);
 
-        let _ = sender.send(Ok(()));
+        if result.is_ok() {
+            let _ = sender.send(Ok(()));
+        } else {
+            let _ = sender.send(Err(()));
+        }
     }
 
     fn delete_object_store(
@@ -145,9 +149,13 @@ impl<E: KvsEngine> IndexedDBEnvironment<E> {
         sender: IpcSender<Result<(), ()>>,
         store_name: SanitizedName,
     ) {
-        self.engine.delete_store(store_name);
+        let result = self.engine.delete_store(store_name);
 
-        let _ = sender.send(Ok(()));
+        if result.is_ok() {
+            let _ = sender.send(Ok(()));
+        } else {
+            let _ = sender.send(Err(()));
+        }
     }
 }
 
diff --git a/tests/wpt/meta/IndexedDB/list_ordering.any.js.ini b/tests/wpt/meta/IndexedDB/list_ordering.any.js.ini
index 34737d4e3dc..678b5b8c53d 100644
--- a/tests/wpt/meta/IndexedDB/list_ordering.any.js.ini
+++ b/tests/wpt/meta/IndexedDB/list_ordering.any.js.ini
@@ -1,8 +1,24 @@
 [list_ordering.any.worker.html]
-  expected: CRASH
+  [Validate ObjectStoreNames and indexNames list order - numbers]
+    expected: FAIL
+
+  [Validate ObjectStoreNames and indexNames list order - numbers 'overflow']
+    expected: FAIL
+
+  [Validate ObjectStoreNames and indexNames list order - lexigraphical string sort]
+    expected: FAIL
+
 
 [list_ordering.any.html]
-  expected: CRASH
+  [Validate ObjectStoreNames and indexNames list order - numbers]
+    expected: FAIL
+
+  [Validate ObjectStoreNames and indexNames list order - numbers 'overflow']
+    expected: FAIL
+
+  [Validate ObjectStoreNames and indexNames list order - lexigraphical string sort]
+    expected: FAIL
+
 
 [list_ordering.any.sharedworker.html]
   expected: ERROR
diff --git a/tests/wpt/meta/IndexedDB/string-list-ordering.any.js.ini b/tests/wpt/meta/IndexedDB/string-list-ordering.any.js.ini
index 8e9ab4e07b7..50ba9dfbec0 100644
--- a/tests/wpt/meta/IndexedDB/string-list-ordering.any.js.ini
+++ b/tests/wpt/meta/IndexedDB/string-list-ordering.any.js.ini
@@ -2,10 +2,13 @@
   expected: ERROR
 
 [string-list-ordering.any.worker.html]
-  expected: CRASH
+  [Test string list ordering in IndexedDB]
+    expected: FAIL
+
 
 [string-list-ordering.any.serviceworker.html]
   expected: ERROR
 
 [string-list-ordering.any.html]
-  expected: CRASH
+  [Test string list ordering in IndexedDB]
+    expected: FAIL