* Removed mocking from client tests
* Updated Client tests to remove Client.setTeamId
* Fixed actions/general.test.js
* Updated test/reducer/channel.test.js for the updated store structure
* Commented out general reducer tests until the store structure is more finalized
* Properly used the team ID when creating a channel
* Made sanity tests run without an internet connection
* Removed onRequest parameter from Client methods
* Switched client.js to fully use Promises
* Fix mock response for login
* Fixed test_helper.js to actually use the configured url