fix: ls from outside of mfs test

Author: Alan Shaw

src/files/ls.js

@@ -64,7 +64,7 @@ module.exports = (common, options) => {
       const [{
         cid
       }] = await all(ipfs.add({ path: `/test/${testFileName}`, content: fixtures.smallFile.data }))
-      const listing = await ipfs.files.ls('/ipfs/' + cid)
+      const listing = await all(ipfs.files.ls('/ipfs/' + cid))
       expect(listing).to.have.length(1)
       expect(listing[0].name).to.equal(cid.toString())
     })