Align behaviour between bundle exec rdoc and rake rdoc
#852
| Job | Run time |
|---|---|
| 18s | |
| 3s | |
| 29s | |
| 20s | |
| 1m 15s | |
| 28s | |
| 26s | |
| 1m 43s | |
| 28s | |
| 28s | |
| 1m 34s | |
| 28s | |
| 22s | |
| 2m 7s | |
| 32s | |
| 28s | |
| 1m 26s | |
| 1m 57s | |
| 2m 7s | |
| 2m 0s | |
| 1m 32s | |
| 2m 19s | |
| 1m 53s | |
| 3m 7s | |
| 1m 58s | |
| 29m 48s |