diff --git a/crates/oa-desktop/src/app/diagram_usages/tests.rs b/crates/oa-desktop/src/app/diagram_usages/tests.rs
index 5f107d7b..95b0089d 100644
--- a/crates/oa-desktop/src/app/diagram_usages/tests.rs
+++ b/crates/oa-desktop/src/app/diagram_usages/tests.rs
@@ -1029,10 +1029,9 @@ fn repeated_preview_arrows_select_the_relation_and_highlight_the_exact_caller_li
         let camera = app.behavior.topology.camera_boundary();
         if call == calls[1]
             && let Some((previous_call, previous)) = &previous_camera
+            && *previous_call != call
         {
-            if *previous_call != call {
-                assert!(&camera != previous);
-            }
+            assert!(&camera != previous);
         }
         if let Some(epoch) = previous_epoch {
             assert_ne!(app.canvas_epoch, epoch);
@@ -1375,7 +1374,7 @@ fn whole_surface_camera_fits_huge_extent_while_target_camera_remains_readable()
     };
     let viewport = iced::Size::new(800., 500.);
     let (zoom, pan) = usage::camera_for(&Target::Whole, bounds, viewport);
-    assert!(zoom < 0.05 && zoom >= 0.0001);
+    assert!((0.0001..0.05).contains(&zoom));
     assert!(bounds.width * zoom <= viewport.width - 64. + 0.01);
     assert!(bounds.height * zoom <= viewport.height - 64. + 0.01);
     assert!((bounds.center_x() * zoom + pan.x - viewport.width / 2.).abs() < 0.01);
diff --git a/crates/oa-desktop/src/behavior/scenario/usage/tests.rs b/crates/oa-desktop/src/behavior/scenario/usage/tests.rs
index fdead29d..145289ea 100644
--- a/crates/oa-desktop/src/behavior/scenario/usage/tests.rs
+++ b/crates/oa-desktop/src/behavior/scenario/usage/tests.rs
@@ -10,10 +10,10 @@ fn add_occurrence(p: &mut Project, owner: Id, name: &str, body: OccurrenceBody)
         precondition: String::new(),
         postcondition: String::new(),
     };
-    if let Some(steps) = p.elements.get_mut(&owner).unwrap().steps_mut() {
-        if !steps.contains(&id) {
-            steps.push(id);
-        }
+    if let Some(steps) = p.elements.get_mut(&owner).unwrap().steps_mut()
+        && !steps.contains(&id)
+    {
+        steps.push(id);
     }
     id
 }