stabilized and improve pendingquerybuf test suit (#8780)

replace the hardcoded after 2000, with waiting for the sync and
wait for condition

1 files changed, 6 insertions, 5 deletions

diff --git a/tests/unit/pendingquerybuf.tcl b/tests/unit/pendingquerybuf.tcl
index bee85db36..ebf17fdf8 100644
--- a/tests/unit/pendingquerybuf.tcl
+++ b/tests/unit/pendingquerybuf.tcl
@@ -25,11 +25,12 @@ start_server {} {
         $slave slaveof $master_host $master_port
         set _v [prepare_value [expr 32*1024*1024]]
         $master set key $_v 
-        after 2000
-        set m_usedmemory [info_memory $master used_memory]
-        set s_usedmemory [info_memory $slave used_memory]
-        if { $s_usedmemory > $m_usedmemory + 10*1024*1024 } {
-            fail "the used_memory of replica is much larger than master. Master:$m_usedmemory Replica:$s_usedmemory"
+        wait_for_ofs_sync $master $slave
+
+        wait_for_condition 50 100 {
+            [info_memory $slave used_memory] <= [info_memory $master used_memory] + 10*1024*1024
+        } else {
+            fail "the used_memory of replica is much larger than master."
         }
     }  
 }}