when a job dies, delete images associated with it

message/matrix_test.go

@@ -10,9 +10,11 @@ import (
 	"github.com/google/uuid"
 )
 
-func TestMatrixSend(t *testing.T) {
+func TestMatrixSendDel(t *testing.T) {
 	sender := testMatrix(t)
-	if err := sender.Send("hello world from unittest"); err != nil {
+	if id, err := sender.SendTracked("hello world from unittest"); err != nil {
+		t.Fatal(err)
+	} else if err := sender.Remove(id); err != nil {
 		t.Fatal(err)
 	}
 }