Fixed broken test case

Author: PalmaAnd

Diff for: js/Problems/palindrome_number.js

@@ -8,4 +8,6 @@
     x_reversed = x_reversed.split('').reverse().join('');
 
     return x == (x_reversed + type);
-};
+};
+
+module.exports = {isPalindrome};

Diff for: js/Tests/palindrome_number.test.js

@@ -1 +1,5 @@
-test("hh", );
+const palindrome_number = require('../Problems/palindrome_number');
+
+test("TestPalindrom", () => {
+    expect(palindrome_number.isPalindrome(12244221)).toBe(true);
+});