diff --git a/dbt/adapters/databricks/python_models/python_submissions.py b/dbt/adapters/databricks/python_models/python_submissions.py
index 309c7124..50d5c94c 100644
--- a/dbt/adapters/databricks/python_models/python_submissions.py
+++ b/dbt/adapters/databricks/python_models/python_submissions.py
@@ -345,7 +345,7 @@ def build_submitter(self) -> PythonSubmitter:
 class PythonWorkflowConfigExtractor(PythonJobConfigExtractor):
     def __init__(self, parsed_model: Dict[str, Any]) -> None:
         super().__init__(parsed_model)
-        self.existing_job_id = self.job_config.pop("existing_job_id")
+        self.existing_job_id = self.job_config.pop("existing_job_id", "")
         self.workflow_name = self.job_config.get(
             "name", f"dbt__{self.database}-{self.schema}-{self.identifier}"
         )
diff --git a/tests/conftest.py b/tests/conftest.py
index b8a0e077..a6b57211 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -7,7 +7,7 @@
 
 
 def pytest_addoption(parser):
-    parser.addoption("--profile", action="store", default="databricks_uc_sql_endpoint", type=str)
+    parser.addoption("--profile", action="store", default="databricks_uc_cluster", type=str)
 
 
 # Using @pytest.mark.skip_profile('databricks_cluster') uses the 'skip_by_adapter_type'