@Test
public void testToStringWithoutComponentButWineryVersion() {

    String componentVersion = "";
    int wineryVersion = 6;
    int wipVersion = 0;
    WineryVersion v = new WineryVersion(componentVersion, wineryVersion, wipVersion);
    String expected = componentVersion + WineryVersion.WINERY_VERSION_PREFIX + wineryVersion;
    assertEquals(expected, v.toString());
}