@Test
public void testHasVersionLabel2() throws Exception {

    VersionHistory delegate = mock(VersionHistory.class);
    VersionHistoryFacade<Session> facade = getFacade(delegate);
    final Version version = mock(Version.class);
    final String arg = "arg";
    when(delegate.hasVersionLabel(version, arg)).thenReturn(true);
    assertTrue("is true", facade.hasVersionLabel(version, arg));
}