diff --git a/crates/testing/src/sdk.rs b/crates/testing/src/sdk.rs
index eb45353aa2b..7bdd5803f67 100644
--- a/crates/testing/src/sdk.rs
+++ b/crates/testing/src/sdk.rs
@@ -155,7 +155,7 @@ macro_rules! memoized {
 
         MEMOIZED
             .lock()
-            .unwrap()
+            .unwrap_or_else(|e| e.into_inner())
             .get_or_insert_default()
             .entry(($($key_tuple,)*))
             .or_insert_with_key(|($($key_tuple,)*)| -> $value_ty { $body })