Only spawn a browser when using the feature macro, not normal tests
#438
| Job | Run time |
|---|---|
| 30m 18s | |
| 8m 44s | |
| 30s | |
| 3m 3s | |
| 8m 43s | |
| 20s | |
| 2m 53s | |
| 30m 15s | |
| 17s | |
| 8m 47s | |
| 2m 45s | |
| 1m 6s | |
| 1m 12s | |
| 1m 4s | |
| 1h 39m 57s |