Fix node-base tests

Author: ivov

packages/nodes-base/test/setup.ts

@@ -5,3 +5,5 @@ import 'reflect-metadata';
 process.env.N8N_RUNNERS_ENABLED = 'false';
 process.env.N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS = 'false';
 process.env.N8N_VERSION = '0.0.0-test';
+// Disable file access restrictions for tests so they can read/write test files
+process.env.N8N_RESTRICT_FILE_ACCESS_TO = '';