reset hash-max-listpack-value config value

Signed-off-by: jonghoonpark <dev@jonghoonpark.com>

tests/unit/type/hash.tcl

@@ -483,6 +483,7 @@ start_server {tags {"hash"}} {
     } {1 0 1 0}
 
     test {Is a ziplist encoded Hash promoted on big payload?} {
+        r config set hash-max-listpack-value 64
         r hset smallhash foo [string repeat a 1024]
         r debug object smallhash
     } {*hashtable*} {needs:debug}