add toString

Author: gabrielmfern

packages/render/integrations/integrations.spec.ts

@@ -61,10 +61,10 @@ const startWebServer = async (command: string, url: string, cwd: string) => {
   });
 
   child.stdout.on('data', (data) => {
-    console.log(data);
+    console.log(data.toString());
   });
   child.stderr.on('data', (data) => {
-    console.error(data);
+    console.error(data.toString());
   });
 
   process.on('exit', () => {