Updating tests crypto-square (#2582)

Author: jagdish-15

exercises/practice/crypto-square/.meta/config.json

@@ -4,6 +4,7 @@
   ],
   "contributors": [
     "diego-caceres",
+    "jagdish-15",
     "ntshcalleia",
     "rchavarria",
     "ryanplusplus",

exercises/practice/crypto-square/.meta/tests.toml

@@ -1,10 +1,20 @@
-# This is an auto-generated file. Regular comments will be removed when this
-# file is regenerated. Regenerating will not touch any manually added keys,
-# so comments can be added in a "comment" key.
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
 
 [407c3837-9aa7-4111-ab63-ec54b58e8e9f]
 description = "empty plaintext results in an empty ciphertext"
 
+[aad04a25-b8bb-4304-888b-581bea8e0040]
+description = "normalization results in empty plaintext"
+
 [64131d65-6fd9-4f58-bdd8-4a2370fb481d]
 description = "Lowercase"
 

exercises/practice/crypto-square/crypto-square.spec.js

@@ -7,6 +7,11 @@ describe('Crypto', () => {
     expect(crypto.ciphertext).toEqual('');
   });
 
+  test('normalization results in empty plaintext', () => {
+    const crypto = new Crypto('... --- ...');
+    expect(crypto.ciphertext).toEqual('');
+  });
+
   xtest('Lowercase', () => {
     const crypto = new Crypto('A');
     expect(crypto.ciphertext).toEqual('a');