Namespace: ns,
				Ports:     ports.All(),
				Service:   "no-headers",
				Subsets: []echo.SubsetConfig{
					{
						Annotations: map[string]string{annotation.ProxyConfig.Name: `
tracing: {}
proxyHeaders:
  forwardedClientCert: SANITIZE
  server:
    disabled: true
  requestId:
    disabled: true
  attemptCount:
    disabled: true
  envoyDebugHeaders:
    disabled: true
  metadataExchangeHeaders:

	}

	testCases := []struct {
		name          string
		originHeaders http.Header
		proxyHeaders  []apimirror.HTTPHeader
		want          http.Header
	}{
		{
			name: "Only Origin",
			originHeaders: http.Header{
				testHeader: []string{testHeaderValue},
			},
			proxyHeaders: []apimirror.HTTPHeader{},
			want: http.Header{
				testHeader:   []string{testHeaderValue},