Fix import path issue in test_gemm_all_scatter.py by adding repo root to sys.path

Co-authored-by: mawad-amd <112003944+mawad-amd@users.noreply.github.com>

Author: Copilot

tests/examples/test_gemm_all_scatter.py

@@ -7,10 +7,16 @@
 import iris
 
 import importlib.util
+import sys
 from pathlib import Path
 
 current_dir = Path(__file__).parent
 
+# Add the repository root to Python path so relative imports work
+repo_root = current_dir.parent.parent
+if str(repo_root) not in sys.path:
+    sys.path.insert(0, str(repo_root))
+
 # Import the matmul wrapper
 matmul_path = (current_dir / "../../examples/07_gemm_all_scatter/matmul_wrapper.py").resolve()
 matmul_spec = importlib.util.spec_from_file_location("matmul_wrapper", matmul_path)