Only spawn a browser when using the feature macro, not normal tests
#437
| Job | Run time |
|---|---|
| 3m 0s | |
| 8m 28s | |
| 2m 47s | |
| 8m 48s | |
| 24s | |
| 30m 12s | |
| 2m 44s | |
| 9m 1s | |
| 19s | |
| 13s | |
| 30m 14s | |
| 1m 5s | |
| 1m 5s | |
| 1m 1s | |
| 1h 39m 21s |