Fixed add, remove is now failing the test (as expected)

hostlist.go

@@ -55,6 +55,7 @@ func (h *Hostlist) Add(host *Hostname) error {
 				host.Domain, host.Ip, found.Ip))
 		}
 	}
+	*h = append(*h, host)
 	return nil
 }
 

hostlist_test.go

@@ -53,6 +53,6 @@ func TestRemove(t *testing.T) {
 	// }
 
 	if hosts.ContainsDomain("google.com") {
-		t.Errorf("Expected not to find google.com in %s", hosts)
+		t.Errorf("Expected not to find google.com")
 	}
 }