Setup tests environment

package.json

@@ -1,7 +1,8 @@
 {
   "name": "shlink-web-client-react",
+  "description": "A React-based web client for shlink",
   "version": "0.1.0",
-  "private": true,
+  "private": false,
   "dependencies": {
     "@fortawesome/fontawesome": "^1.1.8",
     "@fortawesome/fontawesome-free-solid": "^5.0.13",
@@ -19,6 +20,8 @@
     "css-loader": "0.28.7",
     "dotenv": "4.0.0",
     "dotenv-expand": "4.2.0",
+    "enzyme": "^3.3.0",
+    "enzyme-adapter-react-16": "^1.1.1",
     "eslint": "4.10.0",
     "eslint-config-react-app": "^2.1.0",
     "eslint-loader": "1.9.0",
@@ -66,11 +69,11 @@
       "src/**/*.{js,jsx,mjs}"
     ],
     "setupFiles": [
-      "<rootDir>/config/polyfills.js"
+      "<rootDir>/config/polyfills.js",
+      "<rootDir>/config/setupEnzyme.js"
     ],
     "testMatch": [
-      "<rootDir>/src/**/__tests__/**/*.{js,jsx,mjs}",
-      "<rootDir>/src/**/?(*.)(spec|test).{js,jsx,mjs}"
+      "<rootDir>/tests/**/*.test.{js,jsx,mjs}"
     ],
     "testEnvironment": "node",
     "testURL": "http://localhost",