Merge pull request #5549 from oranagra/fix_test_races

fix small test suite race conditions

tests/unit/memefficiency.tcl

@@ -90,6 +90,7 @@ start_server {tags {"defrag"}} {
         test "Active defrag big keys" {
             r flushdb
             r config resetstat
+            r config set save "" ;# prevent bgsave from interfereing with save below
             r config set activedefrag no
             r config set active-defrag-max-scan-fields 1000
             r config set active-defrag-threshold-lower 5

tests/unit/type/stream-cgroups.tcl

@@ -231,6 +231,8 @@ start_server {
                     }
                 }
 
+                wait_for_ofs_sync $master $slave
+
                 # Turn slave into master
                 $slave slaveof no one