Make assertFileContains not create files by default

This makes us miss test bugs like one in
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/458305

Change-Id: I2a96ed180be216aa615d8506999aa75f04c267bf
Depends-On: Ic85db75c2dba6c1c1fa6fd74dbea64f213609c0d

diff --git a/tests/phpunit/MediaWikiTestCase.php b/tests/phpunit/MediaWikiTestCase.php
index 6972165..29e9805 100644 (file)
--- a/tests/phpunit/MediaWikiTestCase.php
+++ b/tests/phpunit/MediaWikiTestCase.php
@@ -2278,7 +2278,7 @@ abstract class MediaWikiTestCase extends PHPUnit\Framework\TestCase {
        protected function assertFileContains(
                $fileName,
                $actualData,
-               $createIfMissing = true,
+               $createIfMissing = false,
                $msg = ''
        ) {
                if ( $createIfMissing ) {