test(provider): cover lazy static-file cache refresh

Restore the static-file cache refresh regression test after rebasing so the branch still verifies that uncached updates stay lazy and cached readers see refreshed header data.

Amp-Thread-ID: https://ampcode.com/threads/T-019df228-9b31-759c-9b1d-a426d6bb6808
Co-authored-by: Amp <[email protected]>

Author: amp

crates/storage/provider/src/providers/static_file/manager.rs

@@ -1070,7 +1070,8 @@ impl<N: NodePrimitives> StaticFileProvider<N> {
                 {
                     segment_header.clone()
                 } else {
-                    let jar = NippyJar::<SegmentHeader>::load(&path).map_err(ProviderError::other)?;
+                    let jar =
+                        NippyJar::<SegmentHeader>::load(&path).map_err(ProviderError::other)?;
                     let header = jar.user_header().clone();
                     loaded_jar = Some(jar);
                     header
@@ -3146,6 +3147,7 @@ mod tests {
         Ok(())
     }
 
+    #[test]
     fn test_update_index_only_refreshes_cached_jar() -> eyre::Result<()> {
         let (static_dir, _) = create_test_static_files_dir();
         let provider: StaticFileProvider<EthPrimitives> =