fixup! fixup! fixup! fixup! using a go script to test update

Author: giulio93

internal/testtools/deb_test.go

@@ -30,7 +30,7 @@ func TestStableToUnstable(t *testing.T) {
 	buildDebVersion(t, majorTag, *arch)
 
 	fmt.Println("**** BUILD docker image *****")
-	buildDockerImage(t, "internal/testtools/test.Dockerfile", "apt-test-update-image", *arch)
+	buildDockerImage(t, "test.Dockerfile", "apt-test-update-image", *arch)
 	fmt.Println("**** RUN docker image *****")
 	runDockerCommand(t, "apt-test-update-image")
 	preUpdateVersion := runDockerSystemVersion(t, "apt-test-update")
@@ -173,7 +173,7 @@ func minorTag(t *testing.T, tag string) string {
 func buildDockerImage(t *testing.T, dockerfile, name, arch string) {
 	t.Helper()
 
-	cmd := exec.Command("docker", "build", "--build-arg", "ARCH="+arch, "-t", name, "-f", dockerfile, ".")
+	cmd := exec.Command("docker", "build", "--no-cache", "--build-arg", "ARCH="+arch, "-t", name, "-f", dockerfile, ".")
 
 	// Capture both stdout and stderr
 	var out bytes.Buffer