Fix formatting

src/testing/bfs_testing.rs

@@ -187,7 +187,8 @@ macro_rules! bfs_tests {
             assert!(
                 found == vertices[7] || found == vertices[8],
                 "unexpected nearest match vertex {found:?}, should be {:?} or {:?}",
-                vertices[7], vertices[8]
+                vertices[7],
+                vertices[8]
             );
         }
 

src/testing/dfs_testing.rs

@@ -157,7 +157,8 @@ macro_rules! dfs_tests {
             assert_eq!(
                 $crate::algorithms::dfs_find_where(&graph, vertices[0], |v| v == vertices[9]),
                 Some(vertices[9]),
-                "expected to find connected vertex");
+                "expected to find connected vertex"
+            );
         }
 
         fn assert_dfs_visited(
@@ -190,7 +191,10 @@ macro_rules! dfs_tests {
             for i in 1..10 {
                 let v = vertices[i];
                 let p = predecessors[v].expect(&format!("vertex {v:?} should have a predecessor"));
-                assert!(visited[p], "predecessor {p:?} of vertex {v:?} should be visited");
+                assert!(
+                    visited[p],
+                    "predecessor {p:?} of vertex {v:?} should be visited"
+                );
                 assert!(
                     graph.are_adjacent(v, p),
                     "predecessor {p:?} of vertex {v:?} should be adjacent"