increase code coverage

tests/app/aws/test_s3.py

@@ -601,3 +601,17 @@ def test_get_s3_files_handles_exception(mocker):
     mock_current_app.logger.exception.assert_called_with(
         "Trouble reading file2.csv which is # 1 during cache regeneration"
     )
+
+
+def test_get_s3_client_with_env_credentials():
+    with patch.dict(
+        os.environ,
+        {
+            "AWS_ACCESS_KEY_ID": "test-key",
+            "AWS_SECRET_ACCESS_ID": "test-sekret",
+            "AWS_DEFAULT_REGION": "us-north-1",
+        },
+    ):
+        client = get_s3_client()
+        assert client is not None, "Client should be created with env credentials"
+        assert client._client_config.region_name == "us-north-1"

tests/app/dao/test_jobs_dao.py

@@ -562,6 +562,7 @@ def test_unique_key_on_job_id_and_job_row_number_no_error_if_row_number_for_diff
 
 def test_jobs_with_same_activity_time_are_sorted_by_id(sample_template):
     from datetime import datetime
+
     dt = datetime(2023, 1, 1, 12, 0, 0)
 
     job1 = create_job(sample_template, created_at=dt, processing_started=None)