diff --git a/tests/lib/TaskProcessing/TaskProcessingTest.php b/tests/lib/TaskProcessing/TaskProcessingTest.php
index 74504a026fc62..57d34b743f70f 100644
--- a/tests/lib/TaskProcessing/TaskProcessingTest.php
+++ b/tests/lib/TaskProcessing/TaskProcessingTest.php
@@ -477,7 +477,8 @@ protected function setUp(): void {
 		$taskProcessingTypeSettings = [];
 		$taskProcessingTypeSettings[TextToText::ID] = false;
 
-		fwrite(STDERR, print_r($taskProcessingTypeSettings, TRUE));
+		fwrite(STDERR, print_r('1', true));
+		fwrite(STDERR, print_r($taskProcessingTypeSettings, true));
 
 		$disabledConfig = $this->createMock(IConfig::class);
 		$disabledConfig
@@ -527,7 +528,8 @@ public function testProviderShouldBeRegisteredAndTaskTypeDisabled(): void {
 			new ServiceRegistration('test', SuccessfulSyncProvider::class)
 		]);
 		$output = $this->disabledTypeManager->getAvailableTaskTypes(true);
-		fwrite(STDERR, print_r($output, TRUE));
+		fwrite(STDERR, print_r('2', true));
+		fwrite(STDERR, print_r($output, true));
 		self::assertCount(0, $this->disabledTypeManager->getAvailableTaskTypes());
 		self::assertCount(1, $this->disabledTypeManager->getAvailableTaskTypes(true));
 		// self::assertFalse($this->disabledTypeManager->hasProviders());
@@ -541,7 +543,8 @@ public function testProviderShouldBeRegisteredAndTaskTypeDisabled2(): void {
 			new ServiceRegistration('test', SuccessfulSyncProvider::class)
 		]);
 		$output = $this->disabledTypeManager->getAvailableTaskTypes(true);
-		fwrite(STDERR, print_r($output, TRUE));
+		fwrite(STDERR, print_r('3', true));
+		fwrite(STDERR, print_r($output, true));
 		self::assertCount(0, $this->manager->getAvailableTaskTypes());
 		self::assertCount(1, $this->manager->getAvailableTaskTypes(true));
 		self::assertFalse($this->manager->hasProviders());