ENH: Test for read-only arrays #702
| Job | Run time | 
|---|---|
| 1m 47s | |
| 1m 45s | |
| 1m 43s | |
| 1m 48s | |
| 2m 0s | |
| 1m 53s | |
| 1m 51s | |
| 1m 59s | |
| 1m 47s | |
| 1m 48s | |
| 2m 3s | |
| 1m 53s | |
| 1m 53s | |
| 1m 57s | |
| 26m 7s | 
| Job | Run time | 
|---|---|
| 1m 47s | |
| 1m 45s | |
| 1m 43s | |
| 1m 48s | |
| 2m 0s | |
| 1m 53s | |
| 1m 51s | |
| 1m 59s | |
| 1m 47s | |
| 1m 48s | |
| 2m 3s | |
| 1m 53s | |
| 1m 53s | |
| 1m 57s | |
| 26m 7s |