Add simple test

jest.config.js

@@ -0,0 +1,7 @@
+module.exports = {
+  clearMocks: true,
+  moduleFileExtensions: ["js"],
+  testEnvironment: "node",
+  testMatch: ["**/*.test.js"],
+  verbose: true,
+};

package.json

@@ -22,5 +22,8 @@
   "bugs": {
     "url": "https://github.com/CUBETIQ/data-migration-nodejs/issues"
   },
-  "homepage": "https://github.com/CUBETIQ/data-migration-nodejs#readme"
+  "homepage": "https://github.com/CUBETIQ/data-migration-nodejs#readme",
+  "dependencies": {
+    "jest": "^26.6.3"
+  }
 }

test/simple.test.js

@@ -0,0 +1,3 @@
+test('simple test', () => {
+    expect(1).toBe(1)
+})