fix(tests): Fix tests when daytime saving time change happened recently

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

tests/lib/Share20/ManagerTest.php

@@ -1536,6 +1536,7 @@ class ManagerTest extends \Test\TestCase {
 
 		$save = clone $nextWeek;
 		$save->setTime(0, 0);
+		$save->sub(new \DateInterval('P2D'));
 		$save->setTimezone(new \DateTimeZone(date_default_timezone_get()));
 
 		$hookListener = $this->getMockBuilder('Dummy')->setMethods(['listener'])->getMock();
@@ -1549,7 +1550,6 @@ class ManagerTest extends \Test\TestCase {
 
 		self::invokePrivate($this->manager, 'validateExpirationDateLink', [$share]);
 
-		$save->sub(new \DateInterval('P2D'));
 		$this->assertEquals($save, $share->getExpirationDate());
 	}