test: Include babel-polyfill

This is a first step toward a refactor of the code base to get rid of any custom polyfill

packages/test/karma.conf.js

@@ -134,6 +134,7 @@ module.exports = function(config) {
       plugins: [resolve(), babel(babelrc)],
     },
     files: [
+      './node_modules/babel-polyfill/dist/polyfill.js',
       './tests/styles/*.css',
       './tests/functional/*.js',
       './tests/unit/*.js',

packages/test/package.json

@@ -16,6 +16,7 @@
     "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-istanbul": "^4.1.4",
     "babel-plugin-module-resolver": "^2.7.1",
+    "babel-polyfill": "^6.26.0",
     "babel-preset-minify": "^0.2.0",
     "babel-preset-stage-2": "^6.24.1",
     "chai": "^4.0.1",

yarn.lock

@@ -962,6 +962,14 @@ [email protected]:
     core-js "^2.4.0"
     regenerator-runtime "^0.10.0"
 
+babel-polyfill@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-polyfill/-/babel-polyfill-6.26.0.tgz#379937abc67d7895970adc621f284cd966cf2153"
+  dependencies:
+    babel-runtime "^6.26.0"
+    core-js "^2.5.0"
+    regenerator-runtime "^0.10.5"
+
 babel-preset-env@^1.5.2:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/babel-preset-env/-/babel-preset-env-1.6.1.tgz#a18b564cc9b9afdf4aae57ae3c1b0d99188e6f48"
@@ -5322,7 +5330,7 @@ regenerate@^1.2.1:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.3.tgz#0c336d3980553d755c39b586ae3b20aa49c82b7f"
 
-regenerator-runtime@^0.10.0:
+regenerator-runtime@^0.10.0, regenerator-runtime@^0.10.5:
   version "0.10.5"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"