Refactor code structure for improved readability and maintainability

Author: rbeucher

tests/integration/test_full_cmorisation.py

@@ -163,9 +163,9 @@ def _validate_with_prepare(self, output_file, cmor_name, table_path):
                 table_arg,
                 output_arg,
             ]
-            result = subprocess.run(  # nosec
+            result = subprocess.run(
                 cmd_args, capture_output=True, text=True, check=False, shell=False
-            )
+            )  # nosec B603, B602
 
             if result.returncode != 0:
                 pytest.fail(