Add test to caesar checking negative wraping cornercase

EBoisseauSierra · EBoisseauSierra · commit deb698c09ec5 · 2018-08-07T11:25:16.000+01:00
diff --git a/caesar/caesar.spec.js b/caesar/caesar.spec.js
@@ -19,4 +19,7 @@ describe('caesar', function() {
   xit('works with large shift factors', function() {
     expect(caesar('Hello, World!', 75)).toEqual('Ebiil, Tloia!');
   });
+  xit('works with large negative shift factors', function() {
+    expect(caesar('Hello, World!', -29)).toEqual('Ebiil, Tloia!');
+  });
 });
