Added Jest for testing both front and backend

server/test/support.js

@@ -0,0 +1,29 @@
+import { User } from '../models';
+import { sequelize } from '../sequelize';
+
+export function flushdb() {
+  const sql = sequelize.getQueryInterface();
+  const tables = Object.keys(sequelize.models).map((model) =>
+      sql.quoteTable(sequelize.models[model].getTableName()));
+  const query = `TRUNCATE ${tables.join(', ')} CASCADE`;
+
+  return sequelize.query(query);
+}
+
+const seed = async () => {
+  await User.create({
+    id: '86fde1d4-0050-428f-9f0b-0bf77f8bdf61',
+    email: 'user1@example.com',
+    username: 'user1',
+    name: 'User 1',
+    slackId: '123',
+    slackData: {
+      image_192: 'http://example.com/avatar.png',
+    },
+  });
+};
+
+export {
+  seed,
+  sequelize,
+};