Add test for default datasets

tests/setup/test_datasets.py

@@ -0,0 +1,15 @@
+import yaml
+from openfisca_uk import REPO
+
+
+def test_default_dataset_is_synth_frs():
+    with open(REPO / "tools" / "datasets.yml") as f:
+        data = yaml.safe_load(f)
+        assert data["default"] == "synth_frs"
+
+
+def test_default_dataset_is_usable():
+    from openfisca_uk import Microsimulation
+
+    sim = Microsimulation()
+    sim.calc("in_poverty_bhc", map_to="person")