DirectoryReader.readEntries() test. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Successfully obtained Persistent FileSystem:file__0:Temporary PASS readEntriesCount is entriesCallbackCount PASS resultEntries.length is testEntriesCount Entry:/a isDirectory:true PASS testEntries[entry.fullPath] is entry.isDirectory Entry:/b isDirectory:false PASS testEntries[entry.fullPath] is entry.isDirectory Entry:/c isDirectory:true PASS testEntries[entry.fullPath] is entry.isDirectory Entry:/d isDirectory:false PASS testEntries[entry.fullPath] is entry.isDirectory Entry:/e isDirectory:false PASS testEntries[entry.fullPath] is entry.isDirectory Entry:/f isDirectory:true PASS testEntries[entry.fullPath] is entry.isDirectory PASS successfullyParsed is true TEST COMPLETE