Fix unit tests

Signed-off-by: Joas Schilling <coding@schilljs.com>

apps/updatenotification/tests/Settings/AdminTest.php

@@ -30,6 +30,8 @@
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\IConfig;
 use OCP\IDateTimeFormatter;
+use OCP\IGroup;
+use OCP\IGroupManager;
 use OCP\Util;
 use Test\TestCase;
 
@@ -40,6 +42,8 @@ class AdminTest extends TestCase {
 	private $config;
 	/** @var UpdateChecker|\PHPUnit_Framework_MockObject_MockObject */
 	private $updateChecker;
+	/** @var IGroupManager|\PHPUnit_Framework_MockObject_MockObject */
+	private $groupManager;
 	/** @var IDateTimeFormatter|\PHPUnit_Framework_MockObject_MockObject */
 	private $dateTimeFormatter;
 
@@ -48,11 +52,13 @@ public function setUp() {
 
 		$this->config = $this->createMock(IConfig::class);
 		$this->updateChecker = $this->createMock(UpdateChecker::class);
+		$this->groupManager = $this->createMock(IGroupManager::class);
 		$this->dateTimeFormatter = $this->createMock(IDateTimeFormatter::class);
 
 		$this->admin = new Admin(
 			$this->config,
 			$this->updateChecker,
+			$this->groupManager,
 			$this->dateTimeFormatter
 		);
 	}
@@ -96,6 +102,18 @@ public function testGetFormWithUpdate() {
 				'updaterEnabled' => true,
 			]);
 
+		$group = $this->createMock(IGroup::class);
+		$group->expects($this->any())
+			->method('getDisplayName')
+			->willReturn('Administrators');
+		$group->expects($this->any())
+			->method('getGID')
+			->willReturn('admin');
+		$this->groupManager->expects($this->once())
+			->method('get')
+			->with('admin')
+			->willReturn($group);
+
 		$params = [
 			'json' => json_encode([
 				'isNewVersionAvailable' => true,
@@ -108,7 +126,9 @@ public function testGetFormWithUpdate() {
 				'updaterEnabled' => true,
 				'isDefaultUpdateServerURL' => true,
 				'updateServerURL' => 'https://updates.nextcloud.com/updater_server/',
-				'notify_groups' => 'admin',
+				'notifyGroups' => [
+					['value' => 'admin', 'label' => 'Administrators'],
+				],
 			]),
 		];