failing test for #160

tests/test_errors.py

@@ -0,0 +1,20 @@
+import pytest
+from mastodon.Mastodon import MastodonAPIError
+import re
+try:
+    from mock import MagicMock
+except ImportError:
+    from unittest.mock import MagicMock
+
+def test_nonstandard_errors(api):
+    response = MagicMock()
+    response.json = MagicMock(return_value=
+            "I am a non-standard instance and this error is a plain string.")
+    response.ok = False
+    session = MagicMock()
+    session.request = MagicMock(return_value=response)
+
+    api.session = session
+    with pytest.raises(MastodonAPIError):
+        api.instance()
+