Simplify test helper

src/engine/snapshot/mod.rs

@@ -122,9 +122,7 @@ impl EngineSnapshot {
                 _ => None,
             })
     }
-}
 
-impl EngineSnapshot {
     pub(crate) fn from_index(index: BTreeMap<IndexKey, DataValue>) -> Self {
         let mut snapshot = EngineSnapshot { index, ..Default::default() };
         snapshot.rebuild_regex_caches();

src/engine/snapshot/query.rs

@@ -25,8 +25,6 @@ use std::collections::BTreeMap;
 pub(crate) fn handle_query(
     snapshot: &EngineSnapshot,
     query: EngineQuery,
-    _approx_bytes_total: u64,
-    _ingest_lag_high_watermark_ms: i64,
     sort_helper_indexes: &mut HashMap<String, SortHelperIndexEntry>,
 ) -> EngineResponse {
     handle_query_inner(snapshot, query, SortHelperAccess::Mutable(sort_helper_indexes))