feat(test): don't warn about @babel/runtime for tests (#87)

Co-authored-by: Ben Monro <ben.monro@pwc.com>

Author: 2 people

src/config/babelrc.js

@@ -19,7 +19,7 @@ const hasBabelRuntimeDep = Boolean(
 const RUNTIME_HELPERS_WARN =
   'You should add @babel/runtime as dependency to your package. It will allow reusing "babel helpers" from node_modules rather than bundling their copies into your files.'
 
-if (!treeshake && !hasBabelRuntimeDep) {
+if (!treeshake && !hasBabelRuntimeDep && !isTest) {
   throw new Error(RUNTIME_HELPERS_WARN)
 } else if (treeshake && !isUMD && !hasBabelRuntimeDep) {
   console.warn(RUNTIME_HELPERS_WARN)