add max wait time

tests/pytest/stream/new.py

@@ -43,7 +43,7 @@ class TDTestCase:
         tdLog.info("=============== step3")
         start = time.time()
         tdSql.waitedQuery("select * from st", 1, 120)
-        delay = int(time.time() - start) + 20
+        delay = int(time.time() - start) + 80
         v = tdSql.getData(0, 3)
         if v >= 51:
             tdLog.exit("value is %d, which is larger than 51" % v)