Update options1.rs

Added extra test for before 10PM and updated the test for at 10PM (when it's 10PM there should already not be any ice cream left, as per the description). Also fixed the `raw_value` test, as it is later than 10PM, so there should be no more ice cream left.

exercises/options/options1.rs

@@ -19,7 +19,8 @@ mod tests {
 
     #[test]
     fn check_icecream() {
-        assert_eq!(maybe_icecream(10), Some(5));
+        assert_eq!(maybe_icecream(9), Some(5));
+        assert_eq!(maybe_icecream(10), Some(0));
         assert_eq!(maybe_icecream(23), Some(0));
         assert_eq!(maybe_icecream(22), Some(0));
         assert_eq!(maybe_icecream(25), None);
@@ -29,6 +30,6 @@ mod tests {
     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!(icecreams, 0);
     }
 }