testing libraries chosen

Author: RafaelGB

package.json

@@ -23,6 +23,8 @@
 		"@rollup/plugin-node-resolve": "13.2.1",
 		"@rollup/plugin-typescript": "8.3.2",
 		"@types/jest": "27.4.1",
+		"@testing-library/jest-dom": "5.16.4",
+    	"@testing-library/react": "12.1.2",
 		"@types/node": "17.0.25",
 		"@types/react": "17.0.43",
 		"@types/react-dom": "17.0.14",