fix: failing tests

Signed-off-by: Hamza Mahjoubi <hamzamahjoubi221@gmail.com>

Author: hamza221

tests/Unit/Activity/ProviderTest.php

@@ -375,8 +375,7 @@ public function testGetRichParams(string $subject, array $subjectParams, array $
 			->willReturn($form);
 
 		$this->validator->expects($this->any())
-			->method('validate')
-			->willReturn(true);
+			->method('validate');
 
 		$this->assertEquals($expected, $this->provider->getRichParams($l10n, $subject, $subjectParams));
 	}

tests/Unit/FormsMigratorTest.php

@@ -41,6 +41,7 @@
 use OCP\IL10N;
 use OCP\IUser;
 use OCP\IUserManager;
+use OCP\ServerVersion;
 use OCP\UserMigration\IExportDestination;
 use OCP\UserMigration\IImportSource;
 use PHPUnit\Framework\MockObject\MockObject;
@@ -80,11 +81,16 @@ class FormsMigratorTest extends TestCase {
 	/** @var IUserManager|MockObject */
 	private $userManager;
 
+	/** @var ServerVersion|MockObject */
+	private $serverVersion;
+
 	public function setUp(): void {
 		parent::setUp();
 
+		$serverVersion = \OCP\Server::get(ServerVersion::class);
+
 		// UserMigration is not available below NC24, skip all tests here.
-		if (\OC_Util::getVersion()[0] < 24) {
+		if ($serverVersion->getMajorVersion() < 24) {
 			$this->markTestSkipped('UserMigration not available below NC24');
 		}