adapte test to new field, and possibility to have unexpected one

jass/test/test_server.py

@@ -68,7 +68,15 @@ class TestDefaultController(JassWebClientTestCase):
         respT1 = json.loads(response.content.decode("utf-8"))
 
         self.assertNotEqual(respT1, respMain)
-        self.assertSetEqual(set(respMain.keys()), {'nb_phenotypes', 'nb_snps', 'name', 'desc'})
+        for key in {
+            'nb_phenotypes',
+            'nb_snps',
+            'name',
+            'desc',
+            'ancestry',
+            'assembly',
+        }:
+            self.assertIn(key , respMain)
 
     def test_get_tables(self):
         response = self.testing_client.get("/api/tables")