2 files changed, 13 insertions, 13 deletions

diff --git a/tests/lib/Command/Integrity/SignAppTest.php b/tests/lib/Command/Integrity/SignAppTest.php
index 38b5c68e026..15f98dba0c0 100644
--- a/tests/lib/Command/Integrity/SignAppTest.php
+++ b/tests/lib/Command/Integrity/SignAppTest.php
@@ -58,7 +58,7 @@ class SignAppTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) use (&$calls) {
+			->willReturnCallback(function (string $message) use (&$calls): void {
 				$expected = array_shift($calls);
 				if ($expected === '*') {
 					$this->assertNotEmpty($message);
@@ -91,7 +91,7 @@ class SignAppTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) use (&$calls) {
+			->willReturnCallback(function (string $message) use (&$calls): void {
 				$expected = array_shift($calls);
 				if ($expected === '*') {
 					$this->assertNotEmpty($message);
@@ -124,7 +124,7 @@ class SignAppTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) use (&$calls) {
+			->willReturnCallback(function (string $message) use (&$calls): void {
 				$expected = array_shift($calls);
 				if ($expected === '*') {
 					$this->assertNotEmpty($message);
@@ -160,7 +160,7 @@ class SignAppTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('Private key "privateKey" does not exists.', $message);
 			});
 
@@ -191,7 +191,7 @@ class SignAppTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('Certificate "certificate" does not exists.', $message);
 			});
 
@@ -227,7 +227,7 @@ class SignAppTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('Error: My error message', $message);
 			});
 
@@ -262,7 +262,7 @@ class SignAppTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('Successfully signed "AppId"', $message);
 			});
 
diff --git a/tests/lib/Command/Integrity/SignCoreTest.php b/tests/lib/Command/Integrity/SignCoreTest.php
index 66227322dda..efff6da2f95 100644
--- a/tests/lib/Command/Integrity/SignCoreTest.php
+++ b/tests/lib/Command/Integrity/SignCoreTest.php
@@ -48,7 +48,7 @@ class SignCoreTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('--privateKey, --certificate and --path are required.', $message);
 			});
 
@@ -71,7 +71,7 @@ class SignCoreTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('--privateKey, --certificate and --path are required.', $message);
 			});
 
@@ -100,7 +100,7 @@ class SignCoreTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('Private key "privateKey" does not exists.', $message);
 			});
 
@@ -131,7 +131,7 @@ class SignCoreTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('Certificate "certificate" does not exists.', $message);
 			});
 
@@ -167,7 +167,7 @@ class SignCoreTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('Error: My exception message', $message);
 			});
 
@@ -202,7 +202,7 @@ class SignCoreTest extends TestCase {
 		$outputInterface
 			->expects($this->any())
 			->method('writeln')
-			->willReturnCallback(function (string $message) {
+			->willReturnCallback(function (string $message): void {
 				$this->assertEquals('Successfully signed "core"', $message);
 			});