Testing Backend

[revant]

• Testing Backend will replace database backend for tests.
• Store Data in memory or file(s) as JSON. Other related project exist https://github.com/flosse/json-file-store/blob/master/Store.es6.js
• frappe.db operations can be done on this JSON Store.

Use

• No extra backend service to be configured for CI
• Can be used for very simple apps.

[netchampfaris]

We will still need tests to test the database backend separately.