[stable19] Disable unreliable app-files-sharing.feature:338

[backportbot-nextcloud]

backport of #23614

[faily-bot]

🤖 beep boop beep 🤖

Here are the logs for the failed build:

Status of 34444: failure

mariadb10.4-php7.3

Show full log

There were 2 warnings:

1) Test\Files\ViewTest::testRenameFailDeleteTargetKeepSource
Trying to configure method "writeStream" which cannot be configured because it does not exist, has not been specified, is final, or is static

2) Test\Files\ViewTest::testCopyFailDeleteTargetKeepSource
Trying to configure method "writeStream" which cannot be configured because it does not exist, has not been specified, is final, or is static

--

There was 1 failure:

1) Test\Share20\DefaultShareProviderTest::testGroupDeleted with data set #3 (array(1, 'group1', array('foo', 'bar')), 'group2', false)
Failed asserting that actual size 2 matches expected size 3.

/drone/src/tests/lib/Share20/DefaultShareProviderTest.php:2435