tests: create remote with container helper

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

driver/kubernetes/factory.go

@@ -244,10 +244,10 @@ func (f *factory) AllowsInstances() bool {
 // eg. "buildx_buildkit_loving_mendeleev0" -> "loving-mendeleev0"
 func buildxNameToDeploymentName(bx string) (string, error) {
 	// TODO: commands.util.go should not pass "buildx_buildkit_" prefix to drivers
-	if !strings.HasPrefix(bx, "buildx_buildkit_") {
-		return "", errors.Errorf("expected a string with \"buildx_buildkit_\", got %q", bx)
+	s, err := driver.ParseBuilderName(bx)
+	if err != nil {
+		return "", err
 	}
-	s := strings.TrimPrefix(bx, "buildx_buildkit_")
 	s = strings.ReplaceAll(s, "_", "-")
 	return s, nil
 }

driver/kubernetes/factory_test.go

@@ -29,7 +29,7 @@ func TestFactory_processDriverOpts(t *testing.T) {
 	}
 
 	cfg := driver.InitConfig{
-		Name:             "buildx_buildkit_test",
+		Name:             driver.BuilderName("test"),
 		KubeClientConfig: &kcc,
 	}
 	f := factory{}