Add tests to Scout Controllers

[jacobschultz]

Add API tests to the controllers (api/controllers) in the scout application including:

• admin.js
• commands.js
• devices.js
• patches.js
• reports.js
• servers.js
• user.js
• webhooks.js

Pull Request Ready When:

1. All of the above files have ~70% line coverage with valid and useful assertions to ensure data is correct. These API tests should also ensure the integrity of the data returned from these endpoints.

Resources: Consider using one of the following test frameworks:

• https://mochajs.org/#getting-started
• https://jestjs.io/