feat(tests): add test

Author: sudkumar

jest.config.js

@@ -0,0 +1,12 @@
+module.exports = {
+  globals: {
+    "ts-jest": {
+      tsconfig: "tsconfig.json",
+    },
+  },
+  testRegex: "(/__tests__/.*|\\.(test|spec))\\.(ts|tsx|js)$",
+  moduleFileExtensions: ["ts", "tsx", "js", "json"],
+  transform: {
+    "^.+\\.(ts|tsx)$": "ts-jest",
+  },
+};