Remove function calls inside of 'expect'

src/testing/graph_topology_deletion_testing.rs

@@ -452,10 +452,12 @@ fn assert_vertex_incidences<G: GraphTopology>(
         let pos = expected
             .iter()
             .position(|x| *x == incidence)
-            .expect(&format!(
-                "unexpected incidence {incidence:?} of vertex {:?} from iterator after delete",
-                v
-            ));
+            .unwrap_or_else(|| {
+                panic!(
+                    "unexpected incidence {incidence:?} of vertex {:?} from iterator after delete",
+                    v
+                )
+            });
         expected.swap_remove(pos);
     }
     assert!(
@@ -479,10 +481,12 @@ fn assert_vertex_incidence_cursor<G: GraphTopology>(
         let pos = expected
             .iter()
             .position(|x| *x == incidence)
-            .expect(&format!(
-                "unexpected incidence {incidence:?} of vertex {:?} from cursor after delete",
-                v
-            ));
+            .unwrap_or_else(|| {
+                panic!(
+                    "unexpected incidence {incidence:?} of vertex {:?} from cursor after delete",
+                    v
+                )
+            });
         expected.swap_remove(pos);
     }
     assert!(
@@ -508,10 +512,12 @@ fn assert_incident_edges_after_delete<G: GraphTopology>(
         v
     );
     for e in graph.incident_edges(v) {
-        let pos = expected.iter().position(|f| *f == e).expect(&format!(
-            "unexpected incident edge {e:?} of vertex {:?} after delete",
-            v
-        ));
+        let pos = expected.iter().position(|f| *f == e).unwrap_or_else(|| {
+            panic!(
+                "unexpected incident edge {e:?} of vertex {:?} after delete",
+                v
+            )
+        });
         expected.swap_remove(pos);
     }
     assert!(