### Question:
EventParticipant { @Override public String toString() { return EventParticipant.class.getSimpleName() + " {" + "id=" + id + ", eventId=" + eventId + ", participantName=" + participantName + ", jockeyName=" + jockeyName + ", trainerName=" + trainerName + ", number=" + number + "}"; }  Long getId(); void setId(Long id); Long getEventId(); void setEventId(Long eventId); String getParticipantName(); void setParticipantName(String participantName); String getJockeyName(); void setJockeyName(String jockeyName); String getTrainerName(); void setTrainerName(String trainerName); Integer getNumber(); void setNumber(Integer number); @Override String toString();  }### Answer:
@Test @DisplayName("Object description") void toStringTest() { String objectDescription = unit.toString(); assertThat(objectDescription).startsWith(EventParticipant.class.getSimpleName()); }