feat: initialize managed portal

internal/managed/test_helpers_test.go

@@ -0,0 +1,19 @@
+package managed
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func writeFile(t *testing.T, path, content string) string {
+	t.Helper()
+
+	if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
+		t.Fatalf("MkdirAll(%q): %v", path, err)
+	}
+	if err := os.WriteFile(path, []byte(content), 0644); err != nil {
+		t.Fatalf("WriteFile(%q): %v", path, err)
+	}
+	return path
+}