tests: make test_search_rules determinist

Author: LeoErcolanelli

tests/test_index.py

@@ -210,7 +210,8 @@ def test_search_rules(self):
         rule = get_rule_stub()
         rule2 = get_rule_stub('my-second-rule')
 
-        self.index.save_rule(rule);
+        res = self.index.save_rule(rule);
+        self.index.wait_task(res['taskID'])
         res = self.index.save_rule(rule2);
         self.index.wait_task(res['taskID'])