handle duplicate audit names

Author: toriwei

sqlmesh/dbt/loader.py

@@ -172,7 +172,17 @@ def _load_audits(
                 for test in package.tests.values():
                     logger.debug("Converting '%s' to sqlmesh format", test.name)
                     try:
-                        audits[test.name] = test.to_sqlmesh(package_context)
+                        sqlmesh_audit = test.to_sqlmesh(package_context)
+                        qualified_name = f"{package.name}.{test.name}"
+                        is_from_dbt_packages = "dbt_packages" in str(test.path)
+
+                        if is_from_dbt_packages:
+                            audits[qualified_name] = sqlmesh_audit
+                            if test.name not in audits:
+                                audits[test.name] = sqlmesh_audit
+                        else:
+                            audits[test.name] = sqlmesh_audit
+
                     except BaseMissingReferenceError as e:
                         ref_type = "model" if isinstance(e, MissingModelError) else "source"
                         logger.warning(