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-rw-r--r--tests/phpunit/includes/parser/ParserOutputTest.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/phpunit/includes/parser/ParserOutputTest.php b/tests/phpunit/includes/parser/ParserOutputTest.php
index 1108ab714625..abf952e73a1c 100644
--- a/tests/phpunit/includes/parser/ParserOutputTest.php
+++ b/tests/phpunit/includes/parser/ParserOutputTest.php
@@ -31,7 +31,7 @@ class ParserOutputTest extends MediaWikiLangTestCase {
* Overrides SerializationTestTrait::getClassToTest
* @return string
*/
- protected function getClassToTest() {
+ protected function getClassToTest(): string {
return ParserOutput::class;
}