Add comprehensive tests for role middleware and fix package dependencies

node_modules/@sinonjs/samsam/lib/is-arguments.js

@@ -0,0 +1,16 @@
+"use strict";
+
+var getClass = require("./get-class");
+
+/**
+ * Returns `true` when `object` is an `arguments` object, `false` otherwise
+ *
+ * @alias module:samsam.isArguments
+ * @param  {*}  object - The object to examine
+ * @returns {boolean} `true` when `object` is an `arguments` object
+ */
+function isArguments(object) {
+    return getClass(object) === "Arguments";
+}
+
+module.exports = isArguments;