Increase network timeout in yarn classic e2e tests. (#2057)

* Increase network timeout.

* Increase network timeout.

* not that

Author: Kamil Sobol

.changeset/short-rats-kneel.md

@@ -0,0 +1,2 @@
+---
+---

packages/integration-tests/src/setup_package_manager.ts

@@ -39,6 +39,11 @@ const initializeYarnClassic = async (execaOptions: {
     ['config', 'set', 'registry', customRegistry],
     execaOptions
   );
+  await execa(
+    packageManager,
+    ['config', 'set', 'network-timeout', '60000'],
+    execaOptions
+  );
   await execa(packageManager, ['config', 'get', 'registry'], execaOptions);
   await execa(packageManager, ['cache', 'clean'], execaOptions);
 };