test(medium): add specs from leetcode to koko eating bananas

Author: bujosa

src/medium/koko_eating_bananas.rs

@@ -0,0 +1,17 @@
+#![allow(dead_code)]
+
+pub fn min_eating_speed(piles: Vec<i32>, h: i32) -> i32 {
+    todo!("Solve this problem")
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_min_eating_speed() {
+        assert_eq!(min_eating_speed(vec![3, 6, 7, 11], 8), 4);
+        assert_eq!(min_eating_speed(vec![30, 11, 23, 4, 20], 5), 30);
+        assert_eq!(min_eating_speed(vec![30, 11, 23, 4, 20], 6), 23);
+    }
+}