This is a testharness.js-based test.
Found 43 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] FileSystemEntry interface: existence and properties of interface object
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface object length
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface object name
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: attribute isFile
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: attribute isDirectory
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: attribute name
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: attribute fullPath
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: attribute filesystem
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemEntry interface: operation getParent(optional FileSystemEntryCallback, optional ErrorCallback)
  assert_own_property: self does not have own property "FileSystemEntry" expected property "FileSystemEntry" missing
[FAIL] FileSystemDirectoryEntry interface: existence and properties of interface object
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryEntry interface object length
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryEntry interface object name
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryEntry interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryEntry interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryEntry interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryEntry interface: operation createReader()
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryEntry interface: operation getFile(optional USVString?, optional FileSystemFlags, optional FileSystemEntryCallback, optional ErrorCallback)
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryEntry interface: operation getDirectory(optional USVString?, optional FileSystemFlags, optional FileSystemEntryCallback, optional ErrorCallback)
  assert_own_property: self does not have own property "FileSystemDirectoryEntry" expected property "FileSystemDirectoryEntry" missing
[FAIL] FileSystemDirectoryReader interface: existence and properties of interface object
  assert_own_property: self does not have own property "FileSystemDirectoryReader" expected property "FileSystemDirectoryReader" missing
[FAIL] FileSystemDirectoryReader interface object length
  assert_own_property: self does not have own property "FileSystemDirectoryReader" expected property "FileSystemDirectoryReader" missing
[FAIL] FileSystemDirectoryReader interface object name
  assert_own_property: self does not have own property "FileSystemDirectoryReader" expected property "FileSystemDirectoryReader" missing
[FAIL] FileSystemDirectoryReader interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "FileSystemDirectoryReader" expected property "FileSystemDirectoryReader" missing
[FAIL] FileSystemDirectoryReader interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "FileSystemDirectoryReader" expected property "FileSystemDirectoryReader" missing
[FAIL] FileSystemDirectoryReader interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "FileSystemDirectoryReader" expected property "FileSystemDirectoryReader" missing
[FAIL] FileSystemDirectoryReader interface: operation readEntries(FileSystemEntriesCallback, optional ErrorCallback)
  assert_own_property: self does not have own property "FileSystemDirectoryReader" expected property "FileSystemDirectoryReader" missing
[FAIL] FileSystemFileEntry interface: existence and properties of interface object
  assert_own_property: self does not have own property "FileSystemFileEntry" expected property "FileSystemFileEntry" missing
[FAIL] FileSystemFileEntry interface object length
  assert_own_property: self does not have own property "FileSystemFileEntry" expected property "FileSystemFileEntry" missing
[FAIL] FileSystemFileEntry interface object name
  assert_own_property: self does not have own property "FileSystemFileEntry" expected property "FileSystemFileEntry" missing
[FAIL] FileSystemFileEntry interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "FileSystemFileEntry" expected property "FileSystemFileEntry" missing
[FAIL] FileSystemFileEntry interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "FileSystemFileEntry" expected property "FileSystemFileEntry" missing
[FAIL] FileSystemFileEntry interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "FileSystemFileEntry" expected property "FileSystemFileEntry" missing
[FAIL] FileSystemFileEntry interface: operation file(FileCallback, optional ErrorCallback)
  assert_own_property: self does not have own property "FileSystemFileEntry" expected property "FileSystemFileEntry" missing
[FAIL] FileSystem interface: existence and properties of interface object
  assert_own_property: self does not have own property "FileSystem" expected property "FileSystem" missing
[FAIL] FileSystem interface object length
  assert_own_property: self does not have own property "FileSystem" expected property "FileSystem" missing
[FAIL] FileSystem interface object name
  assert_own_property: self does not have own property "FileSystem" expected property "FileSystem" missing
[FAIL] FileSystem interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "FileSystem" expected property "FileSystem" missing
[FAIL] FileSystem interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "FileSystem" expected property "FileSystem" missing
[FAIL] FileSystem interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "FileSystem" expected property "FileSystem" missing
[FAIL] FileSystem interface: attribute name
  assert_own_property: self does not have own property "FileSystem" expected property "FileSystem" missing
[FAIL] FileSystem interface: attribute root
  assert_own_property: self does not have own property "FileSystem" expected property "FileSystem" missing
Harness: the test ran to completion.