Unit test cases - React testing library

Author: aarathyKeyvalue

jest.config.js

@@ -0,0 +1,14 @@
+module.exports = {
+    // Other configuration above...
+
+    // Add the next three options if using TypeScript
+    moduleFileExtensions: ["ts", "tsx", "js", "jsx", "json"],
+    preset: "ts-jest",
+    roots: ["<rootDir>/src"],
+    transform: {
+        "^.+\\.[t|j]sx?$": "ts-jest",
+        "^.+\\.svg?$": "<rootDir>/svgTransform.js"
+    },
+    "testEnvironment": "jsdom",
+    testRegex: "(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$",
+};