fix failing unit test

Author: erkkikeranen

src/clojure_string/blank_qmark_.rs

@@ -71,7 +71,7 @@ mod tests {
  let blank = BlankFn {};
  let s = " \thello \n \r ";
  let args = vec![Rc::new(Value::String(String::from(s)))];
- assert_eq!(Value::Boolean(true), blank.invoke(args));
+ assert_eq!(Value::Boolean(false), blank.invoke(args));
  }
 
  #[test]