diff --git a/jest.config.js b/jest.config.js
index e2830a6..4c2e449 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,9 +1,13 @@
 module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'node',
-  testMatch: ['<rootDir>/test/**/*.test.ts', '<rootDir>/test/**/*.test.js'],
+  testMatch: ['<rootDir>/test/unit/**/*.test.ts', '<rootDir>/test/unit/**/*.test.js'],
   collectCoverage: true,
   coverageReporters: ['clover', 'json', 'lcov', ['text', {skipFull: true}], "json-summary"],
   coverageDirectory: 'coverage',
-  testPathIgnorePatterns: ['<rootDir>/test/integration/', '<rootDir>/test/performance/']
+  collectCoverageFrom: [
+    'src/data-structures/**/*.{ts,js}',
+    'src/types/**/*.{ts,js}',
+    'src/interfaces/**/*.{ts,js}',
+  ],
 };
diff --git a/package.json b/package.json
index 4907829..e159553 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "data-structure-typed",
-  "version": "1.41.9",
+  "version": "1.42.0",
   "description": "Data Structures of Javascript & TypeScript. Binary Tree, BST, Graph, Heap, Priority Queue, Linked List, Queue, Deque, Stack, AVL Tree, Tree Multiset, Trie, Directed Graph, Undirected Graph, Singly Linked List, Doubly Linked List, Max Heap, Max Priority Queue, Min Heap, Min Priority Queue.",
   "main": "dist/cjs/src/index.js",
   "module": "dist/mjs/src/index.js",