WF-2228 - Fix failing tests

[tcorral]

Summary

Fixes failing unit tests across the codebase by updating test configurations and adding missing dependencies.

Changes Made

• Files modified: 25 test files across multiple libraries
• Changes:
  • Added missing imports and dependencies in test files
  • Updated TestBed configurations to include required modules (HttpClientTestingModule, RouterTestingModule)
  • Added mock services for ActivityMonitorService, AuthService, LocalesService
  • Fixed component instantiation in tests
  • Updated test setup to use proper Angular testing patterns
  • Removed environment-dependent test logic

Areas Affected

• Main App: app.component.spec.ts, locale-selector.component.spec.ts
• ACH Positive Pay Journey: HTTP service and component tests
• Shared Features: Auth guards, interceptors, user context services
• Transactions Journey: HTTP services, arrangements, route resolvers
• Transfer Journey: State management, permissions, form components
• Custom Payment: Initiator service tests

Impact

• All previously failing unit tests now pass
• Improved test reliability and maintainability
• Better alignment with Angular testing best practices

Testing

• All unit tests pass
• No functional changes to application code
• Test coverage maintained