Fix Op definitions (#4814)

1 files changed, 2 insertions, 2 deletions

diff --git a/core/es_isolate.rs b/core/es_isolate.rs
index aa17c1a46..8c2e5b26d 100644
--- a/core/es_isolate.rs
+++ b/core/es_isolate.rs
@@ -581,12 +581,12 @@ pub mod tests {
     let mut isolate = EsIsolate::new(loader, StartupData::None, false);
 
     let dispatcher =
-      move |control: &[u8], _zero_copy: Option<ZeroCopyBuf>| -> CoreOp {
+      move |control: &[u8], _zero_copy: Option<ZeroCopyBuf>| -> Op {
         dispatch_count_.fetch_add(1, Ordering::Relaxed);
         assert_eq!(control.len(), 1);
         assert_eq!(control[0], 42);
         let buf = vec![43u8, 0, 0, 0].into_boxed_slice();
-        Op::Async(futures::future::ok(buf).boxed())
+        Op::Async(futures::future::ready(buf).boxed())
       };
 
     isolate.register_op("test", dispatcher);