Add node modules and new code for release (#39)

Co-authored-by: tbarnes94 <tbarnes94@users.noreply.github.com>

node_modules/@sinonjs/commons/lib/index.test.js

@@ -0,0 +1,29 @@
+"use strict";
+
+var assert = require("@sinonjs/referee-sinon").assert;
+var index = require("./index");
+
+var expectedMethods = [
+    "calledInOrder",
+    "className",
+    "every",
+    "functionName",
+    "orderByFirstCall",
+    "typeOf",
+    "valueToString"
+];
+var expectedObjectProperties = ["deprecated", "prototypes"];
+
+describe("package", function() {
+    expectedMethods.forEach(function(name) {
+        it("should export a method named " + name, function() {
+            assert.isFunction(index[name]);
+        });
+    });
+
+    expectedObjectProperties.forEach(function(name) {
+        it("should export an object property named " + name, function() {
+            assert.isObject(index[name]);
+        });
+    });
+});