| Message has timestamp: true | |
| Message timestamp doesn't differ too much from current time (one minute interval): true | |
| Message 1 has non-decreasing timestamp: true | |
| Message has timestamp: true | |
| Message timestamp doesn't differ too much from current time (one minute interval): true | |
| Message 2 has non-decreasing timestamp: true | |
| Message has timestamp: true | |
| Message timestamp doesn't differ too much from current time (one minute interval): true | |