clean up

crates/domain/tests/code_graph_tests.rs

@@ -353,5 +353,8 @@ fn module_edges_excludes_intra_module_relationships() {
     let graph = graph.qualify();
     let edges = graph.module_edges();
 
-    assert!(edges.is_empty(), "intra-module relationships should not produce edges");
+    assert!(
+        edges.is_empty(),
+        "intra-module relationships should not produce edges"
+    );
 }