diff --git a/crates/e2e_test/src/rpc_fault_proxy.rs b/crates/e2e_test/src/rpc_fault_proxy.rs
index e87a11f66..fc8c40bba 100644
--- a/crates/e2e_test/src/rpc_fault_proxy.rs
+++ b/crates/e2e_test/src/rpc_fault_proxy.rs
@@ -2146,3 +2146,4 @@ mod tests {
         );
     }
 }
+// event-drill: isolated harness-only change