Add deprecated tests

Author: uvchik

tests/test_deprecated.py

@@ -0,0 +1,25 @@
+"""
+SPDX-FileCopyrightText: 2019 oemof developer group <[email protected]>
+SPDX-License-Identifier: MIT
+"""
+
+import warnings
+
+import pytest
+
+from windpowerlib.data import load_turbine_data_from_oedb
+from windpowerlib.wind_turbine import get_turbine_types
+
+
+def test_old_import():
+    msg = "Use >>from windpowerlib import get_turbine_types"
+    with pytest.raises(ImportError, match=msg):
+        get_turbine_types()
+
+
+def test_old_name_load_data_from_oedb():
+    with warnings.catch_warnings():
+        warnings.simplefilter("error")
+        msg = "store_turbine_data_from_oedb"
+        with pytest.raises(FutureWarning, match=msg):
+            load_turbine_data_from_oedb()