diff --git a/.changeset/light-ducks-fly.md b/.changeset/light-ducks-fly.md
new file mode 100644
index 000000000..a845151cc
--- /dev/null
+++ b/.changeset/light-ducks-fly.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/packages/world-testing/src/idempotency.mts b/packages/world-testing/src/idempotency.mts
index 97219b33c..b4bcbe4cd 100644
--- a/packages/world-testing/src/idempotency.mts
+++ b/packages/world-testing/src/idempotency.mts
@@ -24,7 +24,7 @@ export function idempotency(world: string) {
     const output = await hydrateWorkflowReturnValue(run.output, [], run.runId);
 
     expect(output).toEqual({
-      numbers: Array.from({ length: 110 }, () => expect.any(Number)),
+      numbers: Array.from({ length: 20 }, () => expect.any(Number)),
     });
   });
 }
diff --git a/packages/world-testing/workflows/noop.ts b/packages/world-testing/workflows/noop.ts
index 04b45d201..3871f47ec 100644
--- a/packages/world-testing/workflows/noop.ts
+++ b/packages/world-testing/workflows/noop.ts
@@ -13,21 +13,21 @@ export async function brokenWf() {
 
   {
     const promises: Promise<number>[] = [];
-    for (let i = 0; i < 10; i++) {
+    for (let i = 0; i < 5; i++) {
       promises.push(noop(i));
     }
 
-    console.log('await 10');
+    console.log('await 5');
     numbers.push(...(await Promise.all(promises)));
   }
 
   {
     const promises: Promise<number>[] = [];
-    for (let i = 0; i < 100; i++) {
-      promises.push(noop(1000 + i));
+    for (let i = 0; i < 15; i++) {
+      promises.push(noop(100 + i));
     }
 
-    console.log('await 100');
+    console.log('await 15');
     numbers.push(...(await Promise.all(promises)));
   }