* Add tests to client/rest/users
* Add tests to client/rest/channels
* Add tests to client/rest/posts
* Add tests to client/rest/teams
* Add tests to client/rest/general
* Minor clean-up
* Add tests to client/rest/file
* Add tests to client/rest/threads
* Add tests to client/rest/emojis
* Add tests to client/rest/integrations
* Add tests to client/rest/categories
* Add tests to client/rest/groups
* Add tests to client/rest/channel_bookmark
* Add tests to client/rest/preferences
* Add tests to client/rest/tos
* Add tests to client/rest/nps and client/rest/plugins
* Minor clean-up
* Fix type error with proper client.searchFiles definition
* add more test to cover 100%
* add teamId test
* improve users test
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Co-authored-by: Rahim Rahman <rahim.rahman@mattermost.com>
