Failures running bin/jruby test/test_file.rb

gistfile1.txt

$ bin/jruby test/test_file.rb
Run options: 

# Running tests:

...FE............F................F.test/test_file.rb:747 warning: executable? does not in this environment and will return a dummy value
..F..................F.......test/test_file.rb:761 warning: executable? does not in this environment and will return a dummy value
ln: failed to create symbolic link ‘linked_file.rb’: File exists
E.....FF.

Finished tests in 9.598000s, 7.7099 tests/s, 35.6324 assertions/s.

  1) Failure:
test_chmod_when_chdir(TestFile) [test/test_file.rb:1163]:
<493> expected but was
<420>.

  2) Error:
test_chown_accepts_nil_and_minus_one(TestFile):
SystemCallError: Unknown error - No message available
    org/jruby/RubyFile.java:623:in `chown'
    test/test_file.rb:936:in `test_chown_accepts_nil_and_minus_one'

  3) Failure:
test_file_directory_empty_name(TestFile) [test/test_file.rb:894]:
[Errno::ENOENT] exception expected, not
Class: <SystemCallError>
Message: <"Unknown error - Unknown Error (0) - ">
---Backtrace---
org/jruby/RubyFileStat.java:132:in `initialize'
test/test_file.rb:894:in `test_file_directory_empty_name'
---------------

  4) Failure:
test_file_stat_uri_prefixes(TestFile) [test/test_file.rb:623]:
[Errno::ENOENT] exception expected, not
Class: <SystemCallError>
Message: <"Unknown error - Unknown Error (0) - file:">
---Backtrace---
org/jruby/RubyFile.java:842:in `lstat'
test/test_file.rb:624:in `test_file_stat_uri_prefixes'
---------------

  5) Failure:
test_file_time_uri_prefixes(TestFile) [test/test_file.rb:640]:
[Errno::ENOENT] exception expected, not
Class: <SystemCallError>
Message: <"Unknown error - Unknown Error (0) - file:">
---Backtrace---
org/jruby/RubyFile.java:854:in `atime'
test/test_file.rb:641:in `test_file_time_uri_prefixes'
---------------

  6) Failure:
test_mode_of_tempfile_is_600(TestFile) [test/test_file.rb:1009]:
<33152> expected but was
<33188>.

  7) Error:
test_require_symlink(TestFile):
Errno::ENOENT: No such file or directory - linked_file.rb
    org/jruby/RubyFile.java:1081:in `unlink'
    test/test_file.rb:777:in `__ensure__'

  8) Failure:
test_umask_noarg_does_not_zero(TestFile) [test/test_file.rb:961]:
<128> expected but was
<0>.

  9) Failure:
test_umask_respects_existing_umask_value(TestFile) [test/test_file.rb:975]:
<122> expected but was
<0>.

74 tests, 342 assertions, 7 failures, 2 errors, 0 skips