Changed let to const and added some comments.

Timework · web-flow · commit fb5677ee8f58 · 2020-05-02T09:04:40.000-05:00
I changed the let to a const and added some explanation to how the test is conducted in comments included in the test.
diff --git a/repeatString/repeatString.spec.js b/repeatString/repeatString.spec.js
@@ -17,7 +17,14 @@ describe('repeatString', function() {
     expect(repeatString('hey', -1)).toEqual('ERROR');
   });
   xit('repeats the string a random amount of times', function () {
-    let number = Math.floor(Math.random() * 1000)
+    /*The number is generated by using Math.random to get a value from between
+    0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it 
+    equals a number between 0 to 999 (this number will change everytime you run
+    the test).*/
+    const number = Math.floor(Math.random() * 1000)
+    /*The .match(/((hey))/g).length is a regex that will count the number of heys
+    in the result, which if your function works correctly will equal the number that
+    was randomaly generated. */
     expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(number);
   });
 });
