update ad abtest threshold 194-d/ab1: mean/4*3 -> mean/24*19

config.py

@@ -907,7 +907,7 @@ class BaseConfig(object):
                   'user': {'data': 'data2', 'rule': 'rule2'},
                   'threshold': {
                       'ab0': {'group': 0.6771, 'mean_group': 0.6771},
-                      'ab1': {'group': 3 / 4, 'mean_group': 3 / 4},
+                      'ab1': {'group': 19 / 24, 'mean_group': 19 / 24},
                       'ab2': {'group': 0.6771, 'mean_group': 0.6771},
                       'ab3': {'group': 0.6771, 'mean_group': 0.6771},
                       'ab4': {'group': 0.6771, 'mean_group': 0.6771},