Add missing imports

Examples/xx-messenger/Tests/AppFeatureTests/AppFeatureTests.swift

 import ComposableArchitecture
+import CustomDump
 import HomeFeature
 import RestoreFeature
 import WelcomeFeature

Examples/xx-messenger/Tests/HomeFeatureTests/HomeFeatureTests.swift

 import AppCore
 import ComposableArchitecture
 import ContactsFeature
+import CustomDump
 import RegisterFeature
 import UserSearchFeature
 import XCTest

Examples/xx-messenger/Tests/RegisterFeatureTests/RegisterFeatureTests.swift

 import ComposableArchitecture
+import CustomDump
 import XCTest
 import XXClient
 import XXMessengerClient

Examples/xx-messenger/Tests/SendRequestFeatureTests/SendRequestFeatureTests.swift

 import Combine
 import ComposableArchitecture
+import CustomDump
 import XCTest
 import XXClient
 import XXModels