refactor: change unwrap()s to expects() and deny in clippy

Signed-off-by: Stephen Waits <steve@waits.net>

src/vector.rs

@@ -285,7 +285,10 @@ mod tests {
     fn test_serde() {
         let a = Vector::<f32, 3>::from([1.0, 2.0, 3.0]);
         let s = serde_json::to_string(&a);
-        assert_eq!(s.as_ref().unwrap(), "{\"position\":[1.0,2.0,3.0]}");
+        assert_eq!(
+            s.as_ref().expect("serialization failed in test"),
+            "{\"position\":[1.0,2.0,3.0]}"
+        );
         assert!(s.is_ok());
     }
 }