and another

src/problem.rs

@@ -173,7 +173,6 @@ mod tests {
         let mut problem = Problem::new(ode, dp45, controller).with_callback(value_too_high);
         let solution = problem.solve();
 
-        println!("{}", solution.states.last().unwrap()[0]);
         assert!(solution.states.last().unwrap()[0] == 10.0);
     }