@Test
public void testRemoveOffering() {

    Fongo fongo = new Fongo("Mongo DB");
    Discoverer d = new Discoverer(fongo.getMongo());
    String ofId = "NonPresentOfferings";
    Assert.assertFalse(d.removeOffering(ofId));
    ofId = "EC2";
    d.addOffering(new Offering(ofId));
    Assert.assertTrue(d.removeOffering(ofId));
}