fix(helm): add BackendConfig to sort order

GKE's BackendConfig needs to be installed before ingress as
part of service configuration.

Signed-off-by: Mikael Bergemalm <mbergemalm@gmail.com>

pkg/releaseutil/kind_sorter.go

@@ -46,6 +46,7 @@ var InstallOrder KindSortOrder = []string{
 	"RoleList",
 	"RoleBinding",
 	"RoleBindingList",
+	"BackendConfig",
 	"Service",
 	"DaemonSet",
 	"Pod",
@@ -67,6 +68,7 @@ var UninstallOrder KindSortOrder = []string{
 	"APIService",
 	"Ingress",
 	"Service",
+	"BackendConfig",
 	"CronJob",
 	"Job",
 	"StatefulSet",

pkg/releaseutil/kind_sorter_test.go

@@ -159,6 +159,10 @@ func TestKindSorter(t *testing.T) {
 			Name: "x",
 			Head: &SimpleHead{Kind: "HorizontalPodAutoscaler"},
 		},
+		{
+			Name: "y",
+			Head: &SimpleHead{Kind: "BackendConfig"},
+		},
 	}
 
 	for _, test := range []struct {
@@ -166,8 +170,8 @@ func TestKindSorter(t *testing.T) {
 		order       KindSortOrder
 		expected    string
 	}{
-		{"install", InstallOrder, "aAbcC3def1gh2iIjJkKlLmnopqrxstuvw!"},
-		{"uninstall", UninstallOrder, "wvmutsxrqponLlKkJjIi2hg1fed3CcbAa!"},
+		{"install", InstallOrder, "aAbcC3def1gh2iIjJkKlLymnopqrxstuvw!"},
+		{"uninstall", UninstallOrder, "wvmyutsxrqponLlKkJjIi2hg1fed3CcbAa!"},
 	} {
 		var buf bytes.Buffer
 		t.Run(test.description, func(t *testing.T) {