actually fix it

Author: mydea

dev-packages/node-integration-tests/suites/tracing/anthropic/scenario.mjs

@@ -50,7 +50,7 @@ function startMockAnthropicServer() {
   });
 
   return new Promise(resolve => {
-    app.listen(0, server => {
+    const server = app.listen(0, () => {
       resolve(server);
     });
   });

dev-packages/node-integration-tests/suites/tracing/google-genai/scenario.mjs

@@ -38,7 +38,7 @@ function startMockGoogleGenAIServer() {
   });
 
   return new Promise(resolve => {
-    app.listen(0, server => {
+    const server = app.listen(0, () => {
       resolve(server);
     });
   });

dev-packages/node-integration-tests/suites/tracing/openai/scenario-root-span.mjs

@@ -30,7 +30,7 @@ function startMockOpenAiServer() {
     });
   });
   return new Promise(resolve => {
-    app.listen(0, server => {
+    const server = app.listen(0, () => {
       resolve(server);
     });
   });