Expected heavy frame in whatwg-node wrapping (#1295)

Author: enisdenjo

e2e/federation-subscriptions-passthrough/federation-subscriptions-passthrough.memtest.ts

@@ -57,11 +57,6 @@ describe('upstream subscriptions via http callbacks', () => {
         }
       `,
       allowFailingRequests: true,
-      expectedHeavyFrame: (frame) =>
-        // allocates a lot but all is freed confirmed through heap snapshot
-        frame.callstack.some((frame) =>
-          frame.name.includes('wrapIncomingMessageWithPassthrough'),
-        ),
     },
     async () => {
       const availablePort = await getAvailablePort();

internal/perf/src/memtest.ts

@@ -230,6 +230,14 @@ export function memtest(opts: MemtestOptions, setup: () => Promise<Server>) {
               frame.callstack.some(
                 (stack) => stack.name === 'handleMaybePromise',
               )
+            ) &&
+            !(
+              // allocates a lot but all is freed confirmed through heap snapshot
+              frame.callstack.some(
+                (frame) =>
+                  frame.file?.includes('@whatwg-node/node-fetch') &&
+                  frame.name.includes('wrapIncomingMessageWithPassthrough'),
+              )
             ),
         )
         .filter((frame) => {