Improve test order of low-power-embedded-game

Source:
#1583

Students may think they have to work with values
instead of their position.
This confusion can easily be avoided if the first test uses strings.

Author: senekor

exercises/concept/low-power-embedded-game/tests/low-power-embedded-game.rs

@@ -38,6 +38,15 @@ mod divmod {
 mod evens {
     use low_power_embedded_game::evens;
 
+    #[test]
+    #[ignore]
+    fn strs() {
+        let input = "You really must never be above joking.".split_whitespace();
+        let expected: Vec<_> = "You must be joking.".split_whitespace().collect();
+        let out: Vec<_> = evens(input).collect();
+        assert_eq!(out, expected);
+    }
+
     #[test]
     #[ignore]
     fn simple_i32() {
@@ -58,15 +67,6 @@ mod evens {
         let out: Vec<i32> = evens(1..).take(5).collect();
         assert_eq!(out, &[1, 3, 5, 7, 9]);
     }
-
-    #[test]
-    #[ignore]
-    fn strs() {
-        let input = "You really must never be above joking.".split_whitespace();
-        let expected: Vec<_> = "You must be joking.".split_whitespace().collect();
-        let out: Vec<_> = evens(input).collect();
-        assert_eq!(out, expected);
-    }
 }
 
 mod manhattan {