change setup APIfor session to ensure correct state

tests/conftest.py

@@ -74,8 +74,9 @@ def exmpl_api_sales_prognosis_output() -> pd.DataFrame:
 
 # ** sessions
 @pytest.fixture(scope="function")
-def session(credentials, api_base_url) -> delta_barth.session.Session:
+def session(credentials, api_base_url, tmp_path) -> delta_barth.session.Session:
     session = delta_barth.session.Session(HTTP_BASE_CONTENT_HEADERS)
+    session.set_data_path(str(tmp_path))
     session.set_base_url(api_base_url)
     session.set_credentials(
         username=credentials["user"],
@@ -83,6 +84,7 @@ def session(credentials, api_base_url) -> delta_barth.session.Session:
         database=credentials["db"],
         mandant=credentials["mandant"],
     )
+    session.setup()
 
     return session