[Epic] Unit tests for all server-core services

[HexaField]

• analytics
• analytics-setting
• asset-library
• authManagement
• authentication
• authentication-setting
• avatar
• aws-setting
• bot
• bot-command
• channel
• channel-type
• chargebee-setting
• client-setting
• discord-bot-auth
• email
• email-setting
• file-browser
• file-browser/upload
• game-server-setting
• gameserver-load
• gameserver-provision
• gameserver-subdomain-provision
• github-app
• group
• group-user
• group-user-rank
• identity-provider
• instance
• instance-attendance
• instance-authorized-user
• instance-provision
• invite
• invite-type
• location
• location-admin
• location-ban
• location-settings
• location-type
• login
• login-token
• magic-link
• match-instance
• match-ticket
• match-ticket-assignment
• match-user
• message
• message-status
• party
• party-user
• portal
• project
• project-build
• project-invalidate
• project-setting
• redis-setting
• route
• route-activate
• routes-installed
• rtc-ports
• scene #7740
• scenes
• scope
• scope-type
• server-setting
• sms
• static-resource
• static-resource-type
• testbot
• upload-asset
• user
• user-api-key
• user-relationship
• user-relationship-type
• user-role
• user-settings
• visualisation