#161114061 Customer should successfully place orders on provision of valid food Id

[akhilome]

What does this PR do?

allow the successful creation of new orders when a customer provides a valid food id

Description of Task to be completed?

• write more assertions for when the food id provided is a string
• modify ordercontroller to properly handle body input

How should this be manually tested?

• Clone the git repo, and setup project as per described in README
• Start the app by running npm start from the terminal
• Fire up postman and hit the http://localhost:3000/api/v1/auth/login/ endpoint providing a valid email and password to get a valid auth token
• Take the x-auth token generated and make a new food order by hitting the POST /orders endpoint providing a valid foodId in the body section of the request.

What are the relevant pivotal tracker stories?

#161114061

Screenshots

[coveralls]

Coverage increased (+0.03%) to 97.895% when pulling 8e4cfe1 on bg-place-order-161114061 into 90cd99f on develop.