SERVER-64903 Wait for ShardServerCatalogCacheLoader deletes in test.

The cancel_coordinate_txn_commit_with_tickets_exhausted.js test expects
the removeOperations threads to be the ones blocked on the
hangWithLockDuringBatchRemove failpoint and holding all available
WiredTiger write tickets.

(cherry picked from commit 59f2fcc33536dc6346e68d12cc0b9c8ef1b0b20c)

1 files changed, 8 insertions, 0 deletions

diff --git a/jstests/sharding/cancel_coordinate_txn_commit_with_tickets_exhausted.js b/jstests/sharding/cancel_coordinate_txn_commit_with_tickets_exhausted.js
index ee7221e80d5..b4e31fd08a2 100644
--- a/jstests/sharding/cancel_coordinate_txn_commit_with_tickets_exhausted.js
+++ b/jstests/sharding/cancel_coordinate_txn_commit_with_tickets_exhausted.js
@@ -52,6 +52,14 @@ CreateShardedCollectionUtil.shardCollectionWithChunks(sourceCollection, {key: 1}
     {min: {key: 0}, max: {key: MaxKey}, shard: st.shard1.shardName},
 ]);
 
+// The ShardServerCatalogCacheLoader thread may perform deletes in the background on the
+// config.cache.chunks.test.mycoll collection. Its deletes are also eligible to be blocked by the
+// hangWithLockDuringBatchRemove failpoint and will prevent a removeOperation thread from acquiring
+// a WiredTiger write ticket. We wait for it to finish any delete operations by explicitly running
+// the _flushRoutingTableCacheUpdates command.
+assert.commandWorked(
+    txnCoordinator.adminCommand({_flushRoutingTableCacheUpdates: sourceCollection.getFullName()}));
+
 const removeOperationThreads = Array.from({length: kNumWriteTickets}).map(() => {
     return new Thread(function removeOperation(host, dbName, collName, insertLatch) {
         const conn = new Mongo(host);