add env preset for test

Author: timdeschryver

.babelrc

@@ -1,5 +1,18 @@
 {
-  "presets": ["next/babel"],
+  "env": {
+    "development": {
+      "presets": "next/babel"
+    },
+    "production": {
+      "presets": "next/babel"
+    },
+    "test": {
+      "presets": [
+        ["env", { "modules": "commonjs" }],
+        "next/babel"
+      ]
+    }
+  },
   "plugins": [
     [
       "lodash",