@Test
public void equalsReturnsTrueForSameInstance() {

    // given
    long applicationId = 1;
    var comment = "This is a comment!";
    var date = LocalDateTime.now();
    var application = new ProjectApplication(projectMock, comment, userMock, date);
    application.id = applicationId;
    // when
    boolean actualEquals = application.equals(application);
    // then
    assertThat(actualEquals).isTrue();
}