fix #1144 (#1207)

* fix #1144

* fix type checks

* refactor test routes package

* fix #1208

* unify test routes into module

tests/utils/routes/routes_seeders.py

@@ -0,0 +1,9 @@
+from ._base import RoutesBase, v1
+
+
+class Seeders(RoutesBase):
+    base = v1("/groups/seeders")
+
+    foods = f"{base}/foods"
+    units = f"{base}/units"
+    labels = f"{base}/labels"