[IMP] web: Add QUnit tests for the SwitchCompanyMenu

Purpose
=======

This commit tests some behaviors with multi company
mode after changes brought by f847a46.

Specification
=============

Ensure the robustness of the switch company menu for
multiple cases like:

- Bar rendering
- Switch to another company in mono/multi environment
- Toggle another company in mono/multi environment
- Remove a company in mono/multi environment

The widget itself has been slighty modified to make
it more testable:

- Reading from session is now in the `willStart` function
  instead of `init` to allow mocking the session (in tests,
  `init` is executed before the mock is applied).
- In the event handlers, don't use `bbq` to retrieve
  current allowed company ids. `bbq` is not easily nor
  cleanly patched.
- When reading allowed company ids from session, cast
  ids from string to integer. They are everywhere casted
  except there.

and some linting

0 files changed, 0 insertions, 0 deletions