Get tests passing again

modules/utils/bufferStream.js

@@ -1,10 +1,10 @@
 export default function bufferStream(stream) {
-  return new Promise((resolve, reject) => {
+  return new Promise((accept, reject) => {
     const chunks = [];
 
     stream
       .on('error', reject)
       .on('data', chunk => chunks.push(chunk))
-      .on('end', () => resolve(Buffer.concat(chunks)));
+      .on('end', () => accept(Buffer.concat(chunks)));
   });
 }