These are updated in deferred updates and should not rely on the same
User instance being used in those updates. This also avoids convoluted
logic in User to set the new edit count for various cases.
Change-Id: I0ad3d17107efc7b0e59f1dd54d5733cd1572a2b7
Other tests (possibly from other enabled extensions) could also,
by chance, create Echo notifications for the user MWEchoThankYouEditTests
uses. In order to those tests be reliable, they should make sure
there is no notification data in the database prior to running tests.
Bug: T161087
Change-Id: I870a50b1f831795731235fa8ec97477b3e470b50
Avoid duplicate by looking if the notification
already exist.
Change-Id: Ie519d13cd0ab03919f70da90d58c82a214c74b49
Depends-On: I79194c41d6b2fd84ad658909a2941d9d3d28d94e
Bug: T128249
