Implicitly marking parameter $... as nullable is deprecated in PHP
8.4. The explicit nullable type must be used instead.
Bug: T376276
Change-Id: Idcd0b50c1c01a33c4cabeed3e31828f77c3f6443
Instead of manually crafted $this->testCase properties.
Also make use of the dedicated PHPUnit feature to mark as test as
passed. While assertTrue( true ) is a very common hack it can be
confusing.
Change-Id: Ic071bf561929c2a79537111bee18631865f91366
Add doc-typehints to class properties found by the PropertyDocumentation
sniff to improve the documentation and to remove the exclusion of the
sniff.
The activated sniff avoids that new code is missing doc-typehints or
real-typehints.
Change-Id: Id7fcfd086cdbb3f040091e1d1a81472e7a524091