test(middleware): use setImmediate for MacOS CI

Author: hiroppy

jest.config.js

@@ -1,7 +1,6 @@
 'use strict';
 
 module.exports = {
-  testURL: 'http://localhost/',
   collectCoverage: false,
   coveragePathIgnorePatterns: ['test'],
   moduleFileExtensions: ['js', 'json'],

package-lock.json

@@ -48,14 +48,14 @@
     "@commitlint/config-conventional": "^8.3.4",
     "@webpack-contrib/defaults": "^6.3.0",
     "@webpack-contrib/eslint-config-webpack": "^3.0.0",
-    "babel-jest": "^25.2.1",
+    "babel-jest": "^25.2.6",
     "commitlint-azure-pipelines-cli": "^1.0.3",
     "cross-env": "^7.0.2",
     "del": "^5.1.0",
     "del-cli": "^3.0.0",
     "eslint": "^6.8.0",
     "eslint-config-prettier": "^6.10.1",
-    "eslint-plugin-import": "^2.20.1",
+    "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-prettier": "^3.1.2",
     "express": "^4.17.1",
     "file-loader": "^6.0.0",

package.json

@@ -775,11 +775,16 @@ describe('middleware', () => {
             for (const { value, contentType, code } of urls) {
               // eslint-disable-next-line no-loop-func
               it(`should return the "${code}" code for the "GET" request for the "${value}" url`, (done) => {
-                request(app)
-                  .get(`${publicPathForRequest}${value}`)
-                  .expect('Content-Type', contentType)
-                  .expect('Content-Length', data ? String(data.length) : /\d+/)
-                  .expect(code, done);
+                setImmediate(() => {
+                  request(app)
+                    .get(`${publicPathForRequest}${value}`)
+                    .expect('Content-Type', contentType)
+                    .expect(
+                      'Content-Length',
+                      data ? String(data.length) : /\d+/
+                    )
+                    .expect(code, done);
+                });
               });
             }
           }