remove extra .only

Author: hackergrrl

src/files.js

@@ -110,7 +110,7 @@ module.exports = (common) => {
           })
         })
 
-        it.only('add a nested dir as array', (done) => {
+        it('add a nested dir as array', (done) => {
           const content = (name) => ({
             path: `test-folder/${name}`,
             content: directoryContent[name]