Bug #16353
Updated by znz (Kazuhiro NISHIYAMA) over 4 years ago
Please backport 2a477e0e444de6344048101466fb9189b9defddc to ruby_2_5.
It may avoid occasional errors on macos.
https://github.com/ruby/actions/runs/309307228#step:17:201
```
1) Error:
FTPTest#test_retrbinary_read_timeout_not_exceeded:
Net::ReadTimeout: Net::ReadTimeout
```
https://github.com/ruby/actions/runs/309307228#step:17:216
```
2) Error:
FTPTest#test_retrbinary_read_timeout_not_exceeded:
Errno::EPIPE: Broken pipe
```
https://github.com/ruby/actions/runs/322975425#step:17:202
```
1) Error:
FTPTest#test_retrbinary_read_timeout_not_exceeded:
Net::ReadTimeout: Net::ReadTimeout
```
https://github.com/ruby/actions/runs/322975425#step:17:217
```
2) Error:
FTPTest#test_retrbinary_read_timeout_not_exceeded:
Errno::EPIPE: Broken pipe
```
https://github.com/ruby/actions/runs/326044909#step:17:198
```
1) Error:
FTPTest#test_read_timeout_not_exceeded:
Net::ReadTimeout: Net::ReadTimeout
```