Add Test Cases

[anistark]

Test cases for scenarios like:

1. UI loaded.
2. DB models loaded.

@anistark can you explain a little what exactly to test for ?

[anistark]

To write test cases for every scenario. So that later on at every pushed commit, the test cases make sure that the commit doesn't break any other part of the project.

[anistark]

Here's a few testing frameworks that we can use for these purposes:

1. Mocha
2. Chai