TEST_F(CatalogCacheTest, GetDatabaseDropLoop) {
    const auto dbName = "testDB";
    const auto dbVersion = DatabaseVersion(UUID::gen(), Timestamp());

    _catalogCacheLoader->setDatabaseRefreshReturnValue(
        DatabaseType(dbName, kShards[0], true, dbVersion));

    // The CatalogCache doesn't have any valid info about this DB and finds a new DatabaseType
    auto swDatabase = _catalogCache->getDatabase(operationContext(), dbName);

    ASSERT_OK(swDatabase.getStatus());
    const auto cachedDb = swDatabase.getValue();
    ASSERT_TRUE(cachedDb.shardingEnabled());
    ASSERT_EQ(cachedDb.databaseVersion().getUuid(), dbVersion.getUuid());
    ASSERT_EQ(cachedDb.databaseVersion().getLastMod(), dbVersion.getLastMod());

    // Advancing the timeInStore, e.g. because of a movePrimary
    _catalogCache->onStaleDatabaseVersion(dbName, dbVersion.makeUpdated());

    // However, when this CatalogCache asks to the loader for the new info associated to dbName it
    // didn't find any (i.e. the database was dropped)
    _catalogCacheLoader->setDatabaseRefreshReturnValue(
        Status(ErrorCodes::NamespaceNotFound, "dummy errmsg"));

    // At the end of this refresh we compute a new time of (boost::none, 1), which is going to be
    // less than the time in store we associated with this refresh (i.e. the DB version after the
    // movePrimary). Because of this bug, we will never be able to fulfill any promise, hanging in
    // the refresh loop forever.
    swDatabase = _catalogCache->getDatabase(operationContext(), dbName);
}