Fix issue with transpiling

.babelrc

@@ -1,16 +1,26 @@
 {
   "presets": [
-    ["@babel/env", { "modules": false }],
-    "inferno-app"
+    ["@babel/env", { "modules": false }]
   ],
   "plugins": [
     ["@babel/proposal-decorators", { "legacy": true}],
     "@babel/proposal-class-properties",
-    "@babel/transform-runtime"
+    "@babel/transform-runtime",
+    "@babel/syntax-jsx",
+    [
+      "babel-plugin-inferno",
+      {
+        "imports": true
+      }
+    ]
   ],
   "env": {
-    "production": {
-
+    "production": {},
+    "test": {
+      "presets": [
+        ["@babel/env", { "modules": false }],
+        "inferno-app"
+      ]
     }
   }
 }

package.json

@@ -15,8 +15,8 @@
     "prepublish": "NODE_ENV=development npm run build",
     "postversion": "git push && git push --tags",
     "build-dev": "rm -rf ./dist && cross-env NODE_ENV=development babel lib --out-dir dist --watch --source-maps",
-    "build-test": "rm -rf ./test/dist && cross-env NODE_ENV=development node_modules/.bin/webpack --config ./test/webpack.config.js",
-    "build-test-dev": "rm -rf ./test/dist && cross-env NODE_ENV=development node_modules/.bin/webpack --watch --config ./test/webpack.config.js",
+    "build-test": "rm -rf ./test/dist && cross-env NODE_ENV=test node_modules/.bin/webpack --config ./test/webpack.config.js",
+    "build-test-dev": "rm -rf ./test/dist && cross-env NODE_ENV=test node_modules/.bin/webpack --watch --config ./test/webpack.config.js",
     "build": "npm run build:es && npm run build:dist && npm run build:dist:prod & npm run build:legacy",
     "build:clean": "rm -rf dist/ && rm -rf lib/",
     "build:es": "cross-env NODE_ENV=development babel src --out-dir lib",

rollup.config.js

@@ -19,7 +19,6 @@ const baseConfig = (outputFormat) => {
 
   return {
     input: 'src/index.js',
-    runtimeHelpers: true,
     plugins: [
       nodeResolve(),
       babel({