OZG-5322 [test] adjust timeout

vorgang-manager-server/src/test/java/de/ozgcloud/nachrichten/postfach/PostfachMailITCase.java

@@ -175,7 +175,7 @@ class PostfachMailITCase {
 				await().atMost(60, TimeUnit.SECONDS).untilAsserted(() -> {
 					assertThat(callGrpcListEndpoint()).hasSize(1).first().satisfies(mail -> {
 						assertThat(mail.getSentAt()).isNotNull();
-						assertThat(ZonedDateTime.parse(mail.getSentAt())).isCloseTo(ZonedDateTime.now(), within(2, ChronoUnit.SECONDS));
+						assertThat(ZonedDateTime.parse(mail.getSentAt())).isCloseTo(ZonedDateTime.now(), within(61, ChronoUnit.SECONDS));
 						assertThat(mail.getSentSuccessful()).isFalse();
 					});
 				});