Fix phpstan

Author: Florian Guimier

src/AbsoluteDate.php

@@ -216,8 +216,8 @@ private function initDatetime(string $date, string $format): void
 
         try {
             $this->datetime = DatePoint::createFromFormat($format, $date, $timezone);
-        } catch (\DateMalformedStringException) {
-            throw new ParsingException(sprintf('Cannot parse %s with format %s', $date, $format));
+        } catch (\DateMalformedStringException $e) {
+            throw new ParsingException(sprintf('Cannot parse %s with format %s', $date, $format), previous: $e);
         }
     }
 

tests/AbsoluteDateTest.php

@@ -85,7 +85,6 @@ public function testWithPointInTime(): void
             '2019-12-27 23:00:00',
             new \DateTimeZone('UTC')
         );
-        self::assertNotFalse($datetime);
 
         $date = AbsoluteDate::createInTimezone(new \DateTimeZone('UTC'), $datetime);
         self::assertSame('2019-12-27', $date->format());