return Header{
			"User-Agent": {"foo2"},
			"Other":      {"bar2"},
		}, nil
	}

	res, err := c.Get("https://dummy.tld/") // https to force a CONNECT
	if err == nil {
		res.Body.Close()
		t.Errorf("unexpected success")
	}

	r := <-reqc
	if got, want := r.Header.Get("User-Agent"), "foo2"; got != want {

							Type:        []string{"array"},
							Items: &spec.SchemaOrArray{
								Schema: &spec.Schema{
									SchemaProps: spec.SchemaProps{
										Default: map[string]interface{}{},

          "items": {
            "$ref": "#/definitions/io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionVersion"
          },
          "type": "array",