The suites in evergreen_nightly don't have featureflags enabled. Once the queryStatsFeatureFlags are on by default, the queryStats passthroughs

  - name: query_stats_aggregation_passthrough
  - name: query_stats_mongos_aggregation_passthrough
  - name: query_stats_mongos_passthrough
  - name: query_stats_passthrough

can be added to suites in evergreen_nightly to add testing to the waterfall for query stats.