wrote a functione condition to handle test case for negative count

Author: Tobias-Amaechina

Sprint-3/2-practice-tdd/repeat-str.js

@@ -3,6 +3,9 @@ function repeatStr(str,count) {
   for (let i = 0; i < count; i++) {
     result += str;
   }
+  if (count < 0) {
+    throw new Error("Count must be a non-negative integer");
+  }
   return result;
   // Your implementation of this function must *not* call String.prototype.repeat (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat).
   // The goal is to re-implement that function, not to use it.

Sprint-3/2-practice-tdd/repeat-str.test.js

@@ -48,5 +48,5 @@ test("should return an empty string when count is 0", () => {
 test("should throw an error when count is negative", () => {
   const str = "hello";
   const count = -1;
-  expect(() => repeatStr(str, count)).toThrow();
+  expect(() => repeatStr(str, count)).toThrow("Count must be a non-negative integer");
 });