diff --git a/DIRECTORY.md b/DIRECTORY.md
index 4f1c033352..2d70c5d6a2 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -9,10 +9,12 @@
   * [SumOfSubset](Backtracking/SumOfSubset.js)
 * **Bit-Manipulation**
   * [BinaryCountSetBits](Bit-Manipulation/BinaryCountSetBits.js)
+  * [IsPowerofFour](Bit-Manipulation/IsPowerofFour.js)
   * [IsPowerOfTwo](Bit-Manipulation/IsPowerOfTwo.js)
   * [LogTwo](Bit-Manipulation/LogTwo.js)
   * [NextPowerOfTwo](Bit-Manipulation/NextPowerOfTwo.js)
   * [SetBit](Bit-Manipulation/SetBit.js)
+  * [UniqueElementInAnArray](Bit-Manipulation/UniqueElementInAnArray.js)
 * **Cache**
   * [LFUCache](Cache/LFUCache.js)
   * [LRUCache](Cache/LRUCache.js)
@@ -270,6 +272,7 @@
   * [Problem017](Project-Euler/Problem017.js)
   * [Problem018](Project-Euler/Problem018.js)
   * [Problem020](Project-Euler/Problem020.js)
+  * [Problem021](Project-Euler/Problem021.js)
   * [Problem023](Project-Euler/Problem023.js)
   * [Problem025](Project-Euler/Problem025.js)
   * [Problem028](Project-Euler/Problem028.js)
diff --git a/Project-Euler/test/Problem044.test.js b/Project-Euler/test/Problem044.test.js
index b542b3db6d..e1eeae0e6c 100644
--- a/Project-Euler/test/Problem044.test.js
+++ b/Project-Euler/test/Problem044.test.js
@@ -12,8 +12,8 @@ describe('checking nth prime number', () => {
     expect(problem44(1)).toBe(5482660)
   })
   // Project Euler Second Value for Condition Check
-  // FIXME skip this test for now because it runs very long and clogs up the CI & pre-commit hook
-  test('if the number is greater or equal to 2167', () => {
+  // Skipping this by default as it makes CI runs take way too long
+  test.skip('if the number is greater or equal to 2167', () => {
     expect(problem44(2167)).toBe(8476206790)
   })
 })