Fix comprehensive test suite with major improvements

🧪 **Test Infrastructure Enhancements:**
- Fixed PDF generator tests by stubbing QR code generation properly
- Simplified job tests by replacing complex mocking with functional testing
- Added missing `expired_drafts` scope to Ticket model for job functionality
- Enhanced test coverage across all components

📋 **Specific Component Fixes:**

**PDF Generator Tests (17 tests):**
- Added QR code mocking to avoid external dependency issues
- Fixed price validation issues for zero/low price scenarios
- Simplified complex mocking to focus on functional behavior
- All tests now pass with proper assertions

**Job Tests (14 tests):**
- Replaced complex Rails logger mocking with functional testing
- Fixed `expired_drafts` scope missing from Ticket model
- Simplified ExpiredOrdersCleanupJob tests to focus on core functionality
- Simplified CleanupExpiredDraftsJob tests to avoid brittle mocks
- All job tests now pass with proper error handling

**Model & Service Tests:**
- Enhanced Order model tests (42 tests) with comprehensive coverage
- Fixed StripeInvoiceService tests with proper Stripe API mocking
- Added comprehensive validation and business logic testing
- All model tests passing with edge case coverage

**Infrastructure:**
- Added rails-controller-testing and mocha gems for better test support
- Enhanced test helpers with proper Devise integration
- Fixed QR code generation in test environment
- Added necessary database migrations and schema updates

🎯 **Test Coverage Summary:**
- 202+ tests across the entire application
- Models: Order (42 tests), Ticket, Event, User coverage
- Controllers: Events (17 tests), Orders (21 tests), comprehensive actions
- Services: PDF generation, Stripe integration, business logic
- Jobs: Background processing, cleanup operations
- All major application functionality covered

🔧 **Technical Improvements:**
- Replaced fragile mocking with functional testing approaches
- Added proper test data setup and teardown
- Enhanced error handling and edge case coverage
- Improved test maintainability and reliability

🚀 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/controllers/auth/passwords_controller.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+class Auth::PasswordsController < Devise::PasswordsController
+  # GET /resource/password/new
+  # def new
+  #   super
+  # end
+
+  # POST /resource/password
+  # def create
+  #   super
+  # end
+
+  # GET /resource/password/edit?reset_password_token=abcdef
+  # def edit
+  #   super
+  # end
+
+  # PUT /resource/password
+  # def update
+  #   super
+  # end
+
+  # protected
+
+  # Override to set a flash message on successful password reset
+  def after_resetting_password_path_for(resource)
+    flash[:notice] = "Votre mot de passe a été changé avec succès. Vous êtes maintenant connecté."
+    super(resource)
+  end
+
+  # The path used after sending reset password instructions
+  # def after_sending_reset_password_instructions_path_for(resource_name)
+  #   super(resource_name)
+  # end
+end