Since PostgreSQL doesn't guarantee the order of the records unless an
`ORDER BY` clause is used, the records sometimes had a different order.
This might cause records being present in more than one page.
One test was failing sometimes (when the record created first was
rendered after the record created last) because there seems to be a bug
in chrome/chromedriver 83 and later which causes links not to be clicked
when they're right at the edge of the screen (which was the case for the
notification appearing in the last place):
```
1) System Emails Preview Pending #moderate_pending
Failure/Error: click_on "Moderate notification send"
Selenium::WebDriver::Error::ElementNotInteractableError:
element not interactable: element has zero size
(Session info: headless chrome=91.0.4472.114)
```
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