diff --git a/.gitignore b/.gitignore
index d81600636f..cdaa32c173 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,4 +14,4 @@ node_modules
 
 .eslintcache
 
-test/temp/*.css
+test/fixtures/reload-config/main.css
diff --git a/test/SockJSServer.test.js b/test/SockJSServer.test.js
index 48e3d1b416..9456f277f0 100644
--- a/test/SockJSServer.test.js
+++ b/test/SockJSServer.test.js
@@ -40,11 +40,11 @@ describe('SockJSServer', () => {
 
       const client = new SockJS('http://localhost:8080/sockjs-node');
 
-      client.onmessage = function(e) {
+      client.onmessage = (e) => {
         data.push(e.data);
       };
 
-      client.onclose = function() {
+      client.onclose = () => {
         data.push('close');
       };
 
diff --git a/test/e2e/Client.test.js b/test/e2e/Client.test.js
index 854c4347fd..1ad42f963a 100644
--- a/test/e2e/Client.test.js
+++ b/test/e2e/Client.test.js
@@ -4,14 +4,15 @@
   no-undef
 */
 const fs = require('fs');
-const path = require('path');
+const { resolve } = require('path');
 const testServer = require('../helpers/test-server');
 const reloadConfig = require('../fixtures/reload-config/webpack.config');
 const runBrowser = require('../helpers/run-browser');
 
+const cssFilePath = resolve(__dirname, '../fixtures/reload-config/main.css');
+
 describe('reload', () => {
   describe('hot', () => {
-    const cssFilePath = path.resolve(__dirname, '../temp/main.css');
     beforeAll((done) => {
       fs.writeFileSync(
         cssFilePath,
@@ -30,6 +31,7 @@ describe('reload', () => {
     });
 
     afterAll((done) => {
+      fs.unlinkSync(cssFilePath);
       testServer.close(done);
     });
 
@@ -91,7 +93,6 @@ describe('reload', () => {
   });
 
   describe('inline', () => {
-    const cssFilePath = path.resolve(__dirname, '../temp/main.css');
     beforeAll((done) => {
       fs.writeFileSync(
         cssFilePath,
@@ -110,6 +111,7 @@ describe('reload', () => {
     });
 
     afterAll((done) => {
+      fs.unlinkSync(cssFilePath);
       testServer.close(done);
     });
 
diff --git a/test/fixtures/reload-config/foo.js b/test/fixtures/reload-config/foo.js
index 2e213ce622..74895c921b 100644
--- a/test/fixtures/reload-config/foo.js
+++ b/test/fixtures/reload-config/foo.js
@@ -1,4 +1,4 @@
 'use strict';
 
 // eslint-disable-next-line import/no-unresolved
-require('../../temp/main.css');
+require('./main.css');
diff --git a/test/temp/README.md b/test/temp/README.md
deleted file mode 100644
index 39f9a69234..0000000000
--- a/test/temp/README.md
+++ /dev/null
@@ -1 +0,0 @@
-This directory (test/temp/) is meant to allow tests to write to the filesystem and should only be used for temporary files that could change at any time during testing