[Python] Add a couple quality-of-life improvemenets to testing.util.assert_that
#13160
| Job | Run time |
|---|---|
| 13m 34s | |
| 15m 12s | |
| 14m 20s | |
| 14m 14s | |
| 57m 20s |
testing.util.assert_that
#13160
| Job | Run time |
|---|---|
| 13m 34s | |
| 15m 12s | |
| 14m 20s | |
| 14m 14s | |
| 57m 20s |