@Test
public void testBugFindRouterNetworkNull() throws OpenStackException {

    // given
    String region = "RegionOne4";
    OpenStackAccess openStackAccess = new OpenStackAccess();
    openStackAccess.setToken("1234567891234567989");
    openStackAccess.setTenantId("08bed031f6c54c9d9b35b42aa06b51c0");
    when(openStackRegion.getTokenAdmin()).thenReturn(openStackAccess);
    when(openOperationUtil.executeNovaRequest(any(HttpUriRequest.class))).thenReturn(ROUTERS);
    // when
    try {
        openStackUtil.getPublicRouter(paasManagerUser, region, null);
        fail("The method should have lanch an exception");
    } catch (Exception e) {
    }
}