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-rw-r--r--tests/Core/Command/Preview/RepairTest.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/Core/Command/Preview/RepairTest.php b/tests/Core/Command/Preview/RepairTest.php
index d522816e531..7e45a8d3a19 100644
--- a/tests/Core/Command/Preview/RepairTest.php
+++ b/tests/Core/Command/Preview/RepairTest.php
@@ -79,7 +79,7 @@ class RepairTest extends TestCase {
->willReturn($outputFormatter);
$this->output->expects($this->any())
->method('writeln')
- ->willReturnCallback(function ($line) use ($self) {
+ ->willReturnCallback(function ($line) use ($self): void {
$self->outputLines .= $line . "\n";
});
}