code: @Test public void close(){
    when(this.entry.getLastAccessedTime()).thenReturn(null);
    when(this.group.isCloseable()).thenReturn(false);
    this.bean.close();
    verify(this.entry).setLastAccessedTime(ArgumentMatchers.<Date>any());
    verify(this.mutator,never()).mutate();
    verify(this.group,never()).close();
    reset(this.entry,this.mutator,this.group);
    when(this.entry.getLastAccessedTime()).thenReturn(new Date());
    when(this.group.isCloseable()).thenReturn(true);
    this.bean.close();
    verify(this.entry).setLastAccessedTime(ArgumentMatchers.<Date>any());
    verify(this.mutator).mutate();
    verify(this.group).close();
  }
  