fix (build): fix commonJS build

Author: solkimicreb

.babelrc

@@ -1,3 +1,11 @@
 {
-  "presets": ["react", "es2015", "stage-0"]
+  "env": {
+    "development": {
+      "presets": ["react", "es2016", "es2017", "stage-0"]
+    },
+    "test": {
+      "presets": ["react", "es2016", "es2017", "stage-0"],
+      "plugins": ["transform-es2015-modules-commonjs"]
+    }
+  }
 }

__mocks__/react-easy-state.js

@@ -1,5 +1,8 @@
-// use this to test the es6 modules build
+// use this to test the raw src folder
 export * from '../src'
 
+// use this to test the es6 modules build
+// export * from '../dist/es6'
+
 // use to test the commonJS build
-// export * from '../dist/easyState'
+// export * from '../dist/es5'