tests: Avoid using dynamic properties

Signed-off-by: Julius Härtl <jus@bitgrid.net>

tests/unit/controller/BoardApiControllerTest.php

@@ -31,6 +31,7 @@ use OCP\IRequest;
 
 class BoardApiControllerTest extends \Test\TestCase {
 	private $appName = 'deck';
+	private $request;
 	private $userId = 'admin';
 	private $controller;
 	private $boardService;

tests/unit/controller/BoardControllerTest.php

@@ -28,6 +28,7 @@ use OCA\Deck\Db\Board;
 use OCP\IUser;
 
 class BoardControllerTest extends \Test\TestCase {
+	private $l10n;
 	private $controller;
 	private $request;
 	private $userManager;

tests/unit/controller/BoardImportApiControllerTest.php

@@ -30,6 +30,7 @@ use OCP\IRequest;
 
 class BoardImportApiControllerTest extends \Test\TestCase {
 	private $appName = 'deck';
+	private $request;
 	private $userId = 'admin';
 	/** @var BoardImportApiController */
 	private $controller;

tests/unit/controller/StackApiControllerTest.php

@@ -32,6 +32,7 @@ use OCP\IRequest;
 
 class StackApiControllerTest extends \Test\TestCase {
 	private $appName = 'deck';
+	private $request;
 	private $userId = 'admin';
 	private $controller;
 	private $boardService;