test: add current user anon test

test/test_api_current_user.py

@@ -26,3 +26,12 @@
         assert response["login"] == self.admlogin
         assert response["dcTitle"] == self.admlogin
         assert isinstance(response["eid"], int)
+
+    def test_current_user_anonymous(self):
+        response = self.webapp.get(
+            self.get_api_path("current-user"), headers=self.custom_headers, status=200
+        ).json
+
+        assert response["login"] == "anon"
+        assert response["dcTitle"] == "anon"
+        assert isinstance(response["eid"], int)