fix: raw_value test options1.rs

exercises/12_options/options1.rs

@@ -32,9 +32,6 @@ mod tests {
 
     #[test]
     fn raw_value() {
-        // TODO: Fix this test. How do you get at the value contained in the
-        // Option?
-        let icecreams = maybe_icecream(12);
-        assert_eq!(icecreams, 5);
+        assert_eq!(maybe_icecream(12).unwrap(), 5);
     }
 }