Organize files in project

...ntTests/Messenger/Functions/MessengerIsCreatedTests.swift

...entTests/Messenger/Functions/MessengerIsLoadedTests.swift

...tTests/Messenger/Functions/MessengerIsLoggedInTests.swift

...ests/Messenger/Functions/MessengerIsRegisteredTests.swift

...rClientTests/Messenger/Functions/MessengerLoadTests.swift

...ClientTests/Messenger/Functions/MessengerLogInTests.swift

...enger/Functions/MessengerRegisterAuthCallbacksTests.swift

...entTests/Messenger/Functions/MessengerRegisterTests.swift

...ClientTests/Messenger/Functions/MessengerStartTests.swift

...ts/Messenger/Functions/MessengerWaitForNetworkTests.swift

...ests/Messenger/Functions/MessengerWaitForNodesTests.swift