set seconds and milliseconds to zero

src/main/java/de/jottyfan/timetrack/modules/done/TimeService.java

@@ -30,7 +30,7 @@ public class TimeService {
 			} else {
 				offset = interval - compareMinute;
 			}
-			return givenTime.plusMinutes(offset);
+			return givenTime.plusMinutes(offset).withSecond(0).withNano(0);
 		}
 	}
 }

src/test/java/de/jottyfan/timetrack/modules/done/TestTimeService.java

@@ -17,7 +17,7 @@ public class TestTimeService {
 	@Test
 	public void testRoundTime() {
 		TimeService service = new TimeService();
-		LocalDateTime today = LocalDateTime.now();
+		LocalDateTime today = LocalDateTime.now().withSecond(0).withNano(0);
 		assertEquals("01:00", service.roundTime(today.withHour(1).withMinute(7), 15).format(DateTimeFormatter.ofPattern("HH:mm")));
 		assertEquals("01:15", service.roundTime(today.withHour(1).withMinute(8), 15).format(DateTimeFormatter.ofPattern("HH:mm")));
 		assertEquals("01:15", service.roundTime(today.withHour(1).withMinute(9), 15).format(DateTimeFormatter.ofPattern("HH:mm")));