SIENTIAPDE-1250: Refactor: Remove 'laborious' directory from test structure and update README.md accordingly.

README.md

@@ -799,11 +799,10 @@ The `.github/workflows/quality-gate.yml` workflow automatically runs all validat
 ### Test Structure
 ```
 tests/
-├── laborious/
-│   ├── activities/      # Activity implementation tests
-│   ├── workflows/       # Workflow orchestration tests
-│   ├── utils/          # Utility function tests
-│   └── worker/         # Worker tests
+├── activities/      # Activity implementation tests
+├── workflows/       # Workflow orchestration tests
+├── utils/          # Utility function tests
+└── worker/         # Worker tests
 ```
 
 ### Test Execution
@@ -815,8 +814,8 @@ pip install pytest pytest-cov pytest-asyncio
 pytest --cov=model_manager --cov-report=html
 
 # Run specific test modules
-pytest tests/laborious/activities/test_gates.py
-pytest tests/laborious/workflows/test_predictions_batch.py
+pytest tests/activities/test_gates.py
+pytest tests/workflows/test_predictions_batch.py
 ```
 
 ## Monitoring and Metrics
@@ -981,7 +980,7 @@ The project maintains **99%+ code coverage** with comprehensive unit and integra
 pytest tests/ --cov=model_manager --cov-report=term-missing --cov-report=xml --cov-report=html
 
 # Run specific test file
-pytest tests/laborious/activities/test_gates.py -v
+pytest tests/activities/test_gates.py -v
 
 # Run with coverage visualization
 pytest tests/ --cov=model_manager --cov-report=xml
@@ -1089,11 +1088,10 @@ model_manager/
 - **Test structure**:
   ```
   tests/
-  ├── laborious/
-  │   ├── activities/      # Activity tests
-  │   ├── workflows/       # Workflow tests
-  │   ├── utils/          # Utility tests
-  │   └── worker/         # Worker tests
+  ├── activities/      # Activity tests
+  ├── workflows/       # Workflow tests
+  ├── utils/          # Utility tests
+  └── worker/         # Worker tests
   ```
 
 ## Troubleshooting