Cleanup in 2019 day 25 (amended comment for the test); adjustments for 2020 in add script

2019/day25_cryostasis/src/lib.rs

@@ -28,7 +28,8 @@ mod tests {
     #[ignore = "Requires manual inputs."]
     fn test_challenge() {
         let challenge_input = read_file("tests/challenge_input");
-        // Required items are Cake + Coin + Monolith + Mug. Should output 19013632 in the end.
+        // Required items are Cake + Coin + Monolith + Mug (shortest route: W, take cake, W, S, take monolith, N,
+        // W, S, E, E, E, take mug, W, W, W, N, E, E, E, S, take coin, S, W, N, N, N). Should output 19013632 in the end.
         assert_eq!(run(&challenge_input), Ok(()));
     }
 }

add.sh

@@ -9,6 +9,7 @@ fi
 cp -r ../day00/tests day${1}_${2}/
 cp ../day00/src/lib.rs day${1}_${2}/src/
 cd day${1}_${2}
+# echo 'intcode_processor = { path = "../common/intcode_processor" }' >> Cargo.toml
 aocf checkout $1
 aocf brief > challenge.txt
 aocf input > tests/challenge_input