diff --git a/lib/Db/Board.php b/lib/Db/Board.php
index 93510ddeb..e5531fea8 100644
--- a/lib/Db/Board.php
+++ b/lib/Db/Board.php
@@ -36,7 +36,7 @@ class Board extends RelationalEntity implements JsonSerializable {
 	protected $acl = [];
 	protected $permissions = [];
 	protected $shared;
-	protected $deletedAt;
+	protected $deletedAt = 0;
 
 	public function __construct() {
 		$this->addType('id', 'integer');
diff --git a/tests/unit/Cron/DeleteCronTest.php b/tests/unit/Cron/DeleteCronTest.php
new file mode 100644
index 000000000..72b733c91
--- /dev/null
+++ b/tests/unit/Cron/DeleteCronTest.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *  
+ */
+
+namespace OCA\Deck\Cron;
+
+use OCA\Deck\Db\BoardMapper;
+
+class DeleteCronTest extends \Test\TestCase {
+
+	/** @var BoardMapper|\PHPUnit_Framework_MockObject_MockObject */
+	protected $boardMapper;
+	/** @var DeleteCron */
+	protected $deleteCron;
+
+	public function setUp() {
+		$this->boardMapper = $this->createMock(BoardMapper::class);
+		$this->deleteCron = new DeleteCron($this->boardMapper);
+	}
+
+	public function testDeleteCron() {
+		$this->boardMapper->expects($this->once())
+			->method('findToDelete')
+			->willReturn([1, 2, 3, 4]);
+		$this->boardMapper->expects($this->at(0))
+			->method('delete')
+			->with(1);
+		$this->boardMapper->expects($this->at(1))
+			->method('delete')
+			->with(2);
+		$this->boardMapper->expects($this->at(2))
+			->method('delete')
+			->with(3);
+		$this->boardMapper->expects($this->at(3))
+			->method('delete')
+			->with(4);
+		$this->invokePrivate($this->deleteCron, 'run', null);
+	}
+}
\ No newline at end of file
diff --git a/tests/unit/Db/BoardMapperTest.php b/tests/unit/Db/BoardMapperTest.php
index 9b3e87d33..310265e97 100644
--- a/tests/unit/Db/BoardMapperTest.php
+++ b/tests/unit/Db/BoardMapperTest.php
@@ -72,7 +72,7 @@ class BoardMapperTest extends MapperTestUtility  {
             $this->aclMapper->insert($this->getAcl('user','user1', false, false, false, $this->boards[2]->getId()))
         ];
 
-        foreach ($this->acls as $acl) {
+		foreach ($this->acls as $acl) {
             $acl->resetUpdatedFields();
         }
         foreach ($this->boards as $board) {
@@ -96,6 +96,7 @@ class BoardMapperTest extends MapperTestUtility  {
 	    $board = new Board();
 	    $board->setTitle($title);
 	    $board->setOwner($owner);
+	    $board->setShared(1);
 	    return $board;
     }
 
@@ -104,6 +105,23 @@ class BoardMapperTest extends MapperTestUtility  {
         $expected = $this->boards[0];
         $this->assertEquals($expected, $actual);
     }
+
+	public function testFindAllByUser() {
+		$actual = $this->boardMapper->findAllByUser('user1');
+		$expected = [
+			$this->boards[0],
+			$this->boards[1],
+			$this->boards[2]
+		];
+		foreach ($expected as $e) {
+			foreach ($actual as $a) {
+				if($e->getId() === $a->getId()) {
+					$this->assertEquals($e->getTitle(), $a->getTitle());
+				}
+			}
+		}
+	}
+
     public function testFindWithLabels() {
         $actual = $this->boardMapper->find($this->boards[0]->getId(), true, false);
         $expected = $this->boards[0];