fix

Author: JacksonYao287

src/lib/homestore_backend/tests/hs_scrubber_tests.cpp

@@ -247,6 +247,8 @@ TEST_F(HomeObjectFixture, BasicScrubTest) {
             << "Empty PG should have no missing shards in shallow scrub";
     });
 
+    g_helper->sync();
+
     // Create blobs in all shards
     shard_blob_ids_map = put_blobs(pg_shard_id_vec, num_blobs_per_shard, pg_blob_id);
     LOGINFO("Created {} blobs per shard, total {} blobs", num_blobs_per_shard, num_shards * num_blobs_per_shard);