Sanity-check OS.File.DirectoryIterator entry.isDir only on Travis
Sanity-check OS.File.DirectoryIterator entry.isDir only on Travis

Follow up from 2c2a5a378

retorquere/zotero,retorquere/zotero,gracile-fr/zotero,gracile-fr/zotero,gracile-fr/zotero,retorquere/zotero