diff --git a/jest.config.js b/jest.config.js
index 94a6afaeb..923810a38 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -17,6 +17,14 @@
 
 const config = {
   testMatch: ["<rootDir>/zilliqa/js/**/test/?(*.)+(spec|test).(ts|js)"],
+  testURL: "http://localhost",
+  collectCoverage: true,
+  collectCoverageFrom: [
+    "<rootDir>/packages/*/src/**/*.{ts,js}",
+    "!**/node_modules/**",
+  ],
+  automock: false,
+  resetMocks: false,
   setupFiles: ["<rootDir>/jest-setup.js"],
 };
 
diff --git a/package.json b/package.json
index 457120d91..65ef56d7b 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,6 @@
     "hdkey": "^1.1.0",
     "hmac-drbg": "^1.0.1",
     "jest": "^27.1.3",
-    "ts-jest": "^27.1.3",
     "jest-diff": "^29.3.1",
     "jest-environment-jsdom": "^29.3.1",
     "jest-fetch-mock": "3.0.3",
@@ -43,7 +42,7 @@
     "jest-matcher-utils": "^29.3.1",
     "long": "^4.0.0",
     "mitt": "^1.1.3",
-    "mock-socket": "^9.0.2",
+    "mock-socket": "^9.1.5",
     "node-fetch": "^3.2.10",
     "pbkdf2": "^3.0.16",
     "pretty-format": "^29.3.1",
@@ -73,6 +72,7 @@
     "styled-components": "^4.3.2",
     "tailwindcss": "^3.1.8",
     "terser": ">=5.7.1 <5.9.0",
+    "ts-jest": "^27.1.3",
     "ts-loader": "8.0.4",
     "tslib": "2.3.1",
     "typescript": "^4.1.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3679c4289..22bbd447f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -45,7 +45,7 @@ specifiers:
   jest-matcher-utils: ^29.3.1
   long: ^4.0.0
   mitt: ^1.1.3
-  mock-socket: ^9.0.2
+  mock-socket: ^9.1.5
   node-fetch: ^3.2.10
   pbkdf2: ^3.0.16
   pretty-format: ^29.3.1
diff --git a/zilliqa/js/blockchain/BUILD b/zilliqa/js/blockchain/BUILD
index dbb338b06..edaa72e86 100644
--- a/zilliqa/js/blockchain/BUILD
+++ b/zilliqa/js/blockchain/BUILD
@@ -62,7 +62,11 @@ npm_package(
 
 ts_project(
     name = "test_src",
-    srcs = glob(
+    srcs = [
+        "//zilliqa/js:aes-js.d",
+        "//zilliqa/js:hmac-drbg.d",
+        "//zilliqa/js:pbkdf2.d",
+    ] + glob(
         [
             "src/*.ts",
             "src/**/*.ts",
@@ -92,6 +96,10 @@ ts_project(
         "//:node_modules/@types/node",
         "//:node_modules/@typescript-eslint/eslint-plugin",
         "//:node_modules/@typescript-eslint/parser",
+        "//:node_modules/@zilliqa-js/account",
+        "//:node_modules/@zilliqa-js/core",
+        "//:node_modules/@zilliqa-js/crypto",
+        "//:node_modules/@zilliqa-js/util",
         "//:node_modules/ansi-styles",
         "//:node_modules/bn.js",
         "//:node_modules/buffer-from",
diff --git a/zilliqa/js/contract/BUILD b/zilliqa/js/contract/BUILD
index 7dcfa9b88..33fa2a5c3 100644
--- a/zilliqa/js/contract/BUILD
+++ b/zilliqa/js/contract/BUILD
@@ -65,7 +65,11 @@ npm_package(
 
 ts_project(
     name = "test_src",
-    srcs = glob(
+    srcs = [
+        "//zilliqa/js:aes-js.d",
+        "//zilliqa/js:hmac-drbg.d",
+        "//zilliqa/js:pbkdf2.d",
+    ] + glob(
         [
             "src/*.ts",
             "src/**/*.ts",
@@ -95,6 +99,11 @@ ts_project(
         "//:node_modules/@types/node",
         "//:node_modules/@typescript-eslint/eslint-plugin",
         "//:node_modules/@typescript-eslint/parser",
+        "//:node_modules/@zilliqa-js/account",
+        "//:node_modules/@zilliqa-js/blockchain",
+        "//:node_modules/@zilliqa-js/core",
+        "//:node_modules/@zilliqa-js/crypto",
+        "//:node_modules/@zilliqa-js/util",
         "//:node_modules/ansi-styles",
         "//:node_modules/bn.js",
         "//:node_modules/buffer-from",
@@ -109,6 +118,7 @@ ts_project(
         "//:node_modules/pretty-format",
         "//:node_modules/source-map",
         "//:node_modules/tslib",
+        "//:node_modules/utility-types",
     ],
 )
 
diff --git a/zilliqa/js/subscriptions/BUILD b/zilliqa/js/subscriptions/BUILD
index cac8a38c1..a129f63bc 100644
--- a/zilliqa/js/subscriptions/BUILD
+++ b/zilliqa/js/subscriptions/BUILD
@@ -57,7 +57,9 @@ npm_package(
 
 ts_project(
     name = "test_src",
-    srcs = glob(
+    srcs = [
+        "//zilliqa/js:aes-js.d",
+    ] + glob(
         [
             "src/*.ts",
             "src/**/*.ts",
@@ -85,6 +87,7 @@ ts_project(
         "//:node_modules/@types/jest",
         "//:node_modules/@types/long",
         "//:node_modules/@types/node",
+        "//:node_modules/@types/websocket",
         "//:node_modules/@typescript-eslint/eslint-plugin",
         "//:node_modules/@typescript-eslint/parser",
         "//:node_modules/ansi-styles",
@@ -97,10 +100,13 @@ ts_project(
         "//:node_modules/jest-get-type",
         "//:node_modules/jest-matcher-utils",
         "//:node_modules/long",
+        "//:node_modules/mitt",
+        "//:node_modules/mock-socket",
         "//:node_modules/node-fetch",
         "//:node_modules/pretty-format",
         "//:node_modules/source-map",
         "//:node_modules/tslib",
+        "//:node_modules/websocket",
     ],
 )