layer1: formalize namespace removal strategy

pkg/utils/namespace_manager_model_test.go

@@ -145,3 +145,12 @@ func TestNamespaceEventFromObject(t *testing.T) {
 		t.Fatalf("expected empty name for unsupported object")
 	}
 }
+
+func TestNamespaceRemovalStrategyValues(t *testing.T) {
+	if NamespaceRemovalStrategyTrackOnly != "track-only" {
+		t.Fatalf("unexpected track-only strategy value")
+	}
+	if NamespaceRemovalStrategyDispatchRemove != "dispatch-remove" {
+		t.Fatalf("unexpected dispatch-remove strategy value")
+	}
+}