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import opine from "../../mod.ts";import { describe, it } from "../utils.ts";import { superdeno } from "../deps.ts";import { expect } from "../deps.ts";
describe("res", function () {  describe(".removeHeader(field)", function () {    it("should remove the response header field", function (done) {      const app = opine();
      app.use(function (req, res) {        res.set("Content-Type", "text/x-foo; charset=utf-8");        res.removeHeader("Content-Type").end();      });
      superdeno(app)        .get("/")        .end((_, res) => {          expect(res.header).not.toHaveProperty("Content-Type");          done();        });    });
    it("should do nothing if header is not present", function (done) {      const app = opine();
      app.use(function (req, res) {        res.removeHeader("Content-Type").end();      });
      superdeno(app)        .get("/")        .expect(200, done);    });  });});