source: class SeriesGroupTest {
  
      private static final LocalDateTime today;
      private SeriesGroup s1;
      @Mock TagW modality;
  
      @Test
      public void testToString() {
  
target:         assertThat(s1.toString()).isEqualTo("Other"); //$NON-NLS-1$
          assertThat(s2.toString()).isEqualTo(LocalUtil.getDateTimeFormatter().format(today));
          assertThat(s3.toString()).isEqualTo("test serie 3"); //$NON-NLS-1$
      }
  
  }