Build update

build/css/index.css

@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v2.5.11
+ *   simple-keyboard v2.6.0
  *   https://github.com/hodgef/simple-keyboard
  * 
  *   Copyright (c) Francisco Hodge (https://github.com/hodgef)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "simple-keyboard",
-  "version": "2.5.11",
+  "version": "2.6.0",
   "description": "On-screen Javascript Virtual Keyboard",
   "main": "build/index.js",
   "scripts": {
@@ -48,6 +48,8 @@
     "copy-webpack-plugin": "^4.3.1",
     "css-loader": "0.28.7",
     "dotenv": "4.0.0",
+    "enzyme": "^3.7.0",
+    "enzyme-adapter-react-16": "^1.6.0",
     "eslint": "4.10.0",
     "eslint-config-react-app": "^2.0.1",
     "eslint-loader": "1.9.0",
@@ -59,6 +61,9 @@
     "file-loader": "1.1.5",
     "fs-extra": "3.0.1",
     "html-webpack-plugin": "2.29.0",
+    "istanbul": "^0.4.5",
+    "istanbul-api": "^2.0.6",
+    "istanbul-reports": "^2.0.1",
     "jest": "20.0.4",
     "object-assign": "4.1.1",
     "postcss-flexbugs-fixes": "3.2.0",
@@ -79,7 +84,8 @@
   },
   "jest": {
     "collectCoverageFrom": [
-      "src/**/*.{js,jsx,mjs}"
+      "src/**/*.{js,jsx,mjs}",
+      "!**/tests/**"
     ],
     "setupFiles": [
       "<rootDir>/config/polyfills.js"