f - Update test comment

Author: jkczyz

lightning-background-processor/src/lib.rs

@@ -279,7 +279,9 @@ mod tests {
 		// re-persistence and is successfully re-persisted.
 		let nodes = create_nodes(2, "test_background_processor".to_string());
 
-		// Go through the channel creation process until each node should have something persisted.
+		// Go through the channel creation process so that each node has something to persist. Since
+		// open_channel consumes events, it must complete before starting BackgroundProcessor to
+		// avoid a race with processing events.
 		let tx = open_channel!(nodes[0], nodes[1], 100000);
 
 		// Initiate the background processors to watch each node.