Pass the count code test

Author: Fares-Bakhet

Sprint-3/2-practice-tdd/count.test.js

@@ -2,7 +2,7 @@
 const countChar = require("./count");
 // Given a string str and a single character char to search for,
 // When the countChar function is called with these inputs,
-// Then it should:
+// Then it should: Return how many time the char occurs in the str.
 
 // Scenario: Multiple Occurrences
 // Given the input string str,
@@ -22,3 +22,9 @@ test("should count multiple occurrences of a character", () => {
 // And a character char that does not exist within the case-sensitive str,
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of the char were found in the case-sensitive str.
+test("should return 0 when character does not exist in the string", () => {
+  const str = "hello world";
+  const char = "z";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});