Update test framework: fix run_tests.py to support all test files, add auto-import-check for test files

node_modules/js-yaml/lib/schema/core.js

@@ -0,0 +1,11 @@
+// Standard YAML's Core schema.
+// http://www.yaml.org/spec/1.2/spec.html#id2804923
+//
+// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.
+// So, Core schema has no distinctions from JSON schema is JS-YAML.
+
+
+'use strict';
+
+
+module.exports = require('./json');