[test]: Skip test_clear in test_watermark (#937)

Signed-off-by: Shu0T1an ChenG <[email protected]>

Author: Shuotian Cheng

tests/test_watermark.py

@@ -3,6 +3,7 @@
 import re
 import time
 import json
+import pytest
 import redis
 
 
@@ -179,6 +180,7 @@ def test_lua_plugins(self, dvs):
 
         self.enable_unittests(dvs, "false")
 
+    @pytest.mark.skip(reason="This test is not stable enough")
     def test_clear(self, dvs):
 
         self.set_up(dvs)