Remove stale tests, make 'grunt test' work again.

Author: toolness

app/tests/article.server.model.test.js

@@ -0,0 +1,14 @@
+const mongoose = require('mongoose');
+const config = require('../../config/config');
+
+beforeEach(done => {
+  mongoose.connection.db.dropDatabase(function(){
+    mongoose.connection.close(() => {
+      mongoose.connect(config.db, done);
+    });
+  });
+});
+
+afterEach(done => {
+  done();
+});