Add separate generic task for proof verification

apps/cic-eth/tests/task/api/test_app_noncritical.py

@@ -36,17 +36,19 @@ def test_tokens(
         init_database,
         init_celery_tasks,
         custodial_roles,
+        foo_token_declaration,
+        bar_token_declaration,
         celery_worker,
         ):
 
     api = Api(str(default_chain_spec), queue=None)     
 
-    t = api.token('FOO')
+    t = api.token('FOO', proof=foo_token_declaration)
     r = t.get_leaf()
     assert len(r) == 1
     assert r[0]['address'] == foo_token
 
-    t = api.tokens(['BAR', 'FOO'])
+    t = api.tokens(['BAR', 'FOO'], proof=[[foo_token_declaration], [bar_token_declaration]])
     r = t.get_leaf()
     assert len(r) == 2
     assert r[1]['address'] == foo_token