Format state machine assertion

src/state_machine.rs

@@ -245,7 +245,10 @@ mod tests {
             )
             .unwrap_err();
 
-            assert_eq!(err, TransitionError::InvalidAdminOverrideExitTarget { target });
+            assert_eq!(
+                err,
+                TransitionError::InvalidAdminOverrideExitTarget { target }
+            );
         }
     }