change known error codes

tests/api/test_common.py

@@ -2,7 +2,7 @@ import pytest
 
 from delta_barth.api import common
 from delta_barth.constants import HTTP_CONTENT_HEADERS
-from delta_barth.errors import UnspecifiedRequestType
+from delta_barth.errors import UnknownApiErrorCode, UnspecifiedRequestType
 from delta_barth.types import HttpRequestTypes
 
 "http://test.com/ "
@@ -57,6 +57,13 @@ def test_ping(api_base_url):
         resp = common.ping(api_base_url, HttpRequestTypes.POST)
 
 
+@pytest.mark.api_con_required
+def test_raise_unknown_error(api_base_url):
+    resp = common.ping(api_base_url, HttpRequestTypes.GET)
+    with pytest.raises(UnknownApiErrorCode):
+        common._raise_for_unknown_error(resp)
+
+
 @pytest.mark.api_con_required
 def test_login_logout(credentials, api_base_url):
     assert HTTP_CONTENT_HEADERS.session_token is None