Adding find functions and tests to comment model.

tests/utils/mongoose.js

@@ -0,0 +1,37 @@
+//  Modified from https://github.com/elliotf/mocha-mongoose
+
+var mongoose = require('mongoose');
+
+
+// ensure the NODE_ENV is set to 'test'
+// this is helpful when you would like to change behavior when testing
+process.env.NODE_ENV = 'test';
+
+beforeEach(function (done) {
+
+
+  function clearDB() {
+    for (var i in mongoose.connection.collections) {
+      mongoose.connection.collections[i].remove(function() {});
+    }
+    return done();
+  }
+
+
+  if (mongoose.connection.readyState === 0) {
+    mongoose.connect('coral-talk-test', function (err) {
+      if (err) {
+        throw err;
+      }
+      return clearDB();
+    });
+  } else {
+    return clearDB();
+  }
+});
+
+
+after(function (done) {
+  mongoose.disconnect();
+  return done();
+});