Fix unit tests

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

apps/dav/tests/unit/CardDAV/AddressBookTest.php

@@ -40,6 +40,7 @@ class AddressBookTest extends TestCase {
 		]);
 		$calendarInfo = [
 			'{http://owncloud.org/ns}owner-principal' => 'user1',
+			'{DAV:}displayname' => 'Test address book',
 			'principaluri' => 'user2',
 			'id' => 666,
 			'uri' => 'default',
@@ -61,6 +62,7 @@ class AddressBookTest extends TestCase {
 		]);
 		$calendarInfo = [
 			'{http://owncloud.org/ns}owner-principal' => 'user1',
+			'{DAV:}displayname' => 'Test address book',
 			'principaluri' => 'user2',
 			'id' => 666,
 			'uri' => 'default',
@@ -78,6 +80,7 @@ class AddressBookTest extends TestCase {
 		$backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDavBackend')->disableOriginalConstructor()->getMock();
 		$calendarInfo = [
 			'{http://owncloud.org/ns}owner-principal' => 'user1',
+			'{DAV:}displayname' => 'Test address book',
 			'principaluri' => 'user2',
 			'id' => 666,
 			'uri' => 'default',
@@ -95,6 +98,7 @@ class AddressBookTest extends TestCase {
 		$backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDavBackend')->disableOriginalConstructor()->getMock();
 		$backend->expects($this->any())->method('applyShareAcl')->willReturnArgument(1);
 		$calendarInfo = [
+			'{DAV:}displayname' => 'Test address book',
 			'principaluri' => 'user2',
 			'id' => 666,
 			'uri' => 'default'

apps/dav/tests/unit/CardDAV/ContactsManagerTest.php

@@ -39,7 +39,7 @@ class ContactsManagerTest extends TestCase {
 		/** @var CardDavBackend | \PHPUnit_Framework_MockObject_MockObject $backEnd */
 		$backEnd = $this->getMockBuilder('OCA\DAV\CardDAV\CardDavBackend')->disableOriginalConstructor()->getMock();
 		$backEnd->method('getAddressBooksForUser')->willReturn([
-				['uri' => 'default'],
+				['{DAV:}displayname' => 'Test address book', 'uri' => 'default'],
 			]);
 
 		$l = $this->createMock(IL10N::class);