diff --git a/core/tests/Drupal/Nightwatch/Commands/installDrupal.js b/core/tests/Drupal/Nightwatch/Commands/drupalInstall.js
similarity index 96%
rename from core/tests/Drupal/Nightwatch/Commands/installDrupal.js
rename to core/tests/Drupal/Nightwatch/Commands/drupalInstall.js
index 694ba8b08018f5304c26c117fae9201827935b2b..2f35adfab5552bbd67a96c0b55f86a7db0e20c8e 100644
--- a/core/tests/Drupal/Nightwatch/Commands/installDrupal.js
+++ b/core/tests/Drupal/Nightwatch/Commands/drupalInstall.js
@@ -14,7 +14,7 @@ import { commandAsWebserver } from '../globals';
  * @return {object}
  *   The 'browser' object.
  */
-exports.command = function installDrupal({ setupFile = '' }, callback) {
+exports.command = function drupalInstall({ setupFile = '' }, callback) {
   const self = this;
 
   try {
diff --git a/core/tests/Drupal/Nightwatch/Commands/logAndEnd.js b/core/tests/Drupal/Nightwatch/Commands/drupalLogAndEnd.js
similarity index 90%
rename from core/tests/Drupal/Nightwatch/Commands/logAndEnd.js
rename to core/tests/Drupal/Nightwatch/Commands/drupalLogAndEnd.js
index 166a48bd7a1b561387eb90db352541d9f78f7542..c3b5d3d649431b9ea8bfced1eb5906780f83e8b6 100644
--- a/core/tests/Drupal/Nightwatch/Commands/logAndEnd.js
+++ b/core/tests/Drupal/Nightwatch/Commands/drupalLogAndEnd.js
@@ -11,7 +11,7 @@
  * @return {object}
  *   The 'browser' object.
  */
-exports.command = function logAndEnd({ onlyOnError = true }, callback) {
+exports.command = function drupalLogAndEnd({ onlyOnError = true }, callback) {
   const self = this;
   this.drupalLogConsole = true;
   this.drupalLogConsoleOnlyOnError = onlyOnError;
diff --git a/core/tests/Drupal/Nightwatch/Commands/relativeURL.js b/core/tests/Drupal/Nightwatch/Commands/drupalRelativeURL.js
similarity index 88%
rename from core/tests/Drupal/Nightwatch/Commands/relativeURL.js
rename to core/tests/Drupal/Nightwatch/Commands/drupalRelativeURL.js
index c0f9bba4642a069ac372f7cc6ddcb4bc349cc7b5..cff41e14b9887c854caa8d30ff85e05a48ff28c0 100644
--- a/core/tests/Drupal/Nightwatch/Commands/relativeURL.js
+++ b/core/tests/Drupal/Nightwatch/Commands/drupalRelativeURL.js
@@ -10,7 +10,7 @@
  * @return {object}
  *   The 'browser' object.
  */
-exports.command = function relativeURL(pathname, callback) {
+exports.command = function drupalRelativeURL(pathname, callback) {
   const self = this;
   this.url(`${process.env.DRUPAL_TEST_BASE_URL}${pathname}`);
 
diff --git a/core/tests/Drupal/Nightwatch/Commands/uninstallDrupal.js b/core/tests/Drupal/Nightwatch/Commands/drupalUninstall.js
similarity index 95%
rename from core/tests/Drupal/Nightwatch/Commands/uninstallDrupal.js
rename to core/tests/Drupal/Nightwatch/Commands/drupalUninstall.js
index e85c4ac07068267da081ea0818cb719206dbfc29..ed5f999bc2cbe199715a18fcab8727883012fcf1 100644
--- a/core/tests/Drupal/Nightwatch/Commands/uninstallDrupal.js
+++ b/core/tests/Drupal/Nightwatch/Commands/drupalUninstall.js
@@ -9,7 +9,7 @@ import { commandAsWebserver } from '../globals';
  * @return {object}
  *   The 'browser' object.
  */
-exports.command = function uninstallDrupal(callback) {
+exports.command = function drupalUninstal(callback) {
   const self = this;
   const prefix = self.drupalDbPrefix;
 
diff --git a/core/tests/Drupal/Nightwatch/Tests/exampleTest.js b/core/tests/Drupal/Nightwatch/Tests/exampleTest.js
index f150ec7b5358123c5a3265167f9565a2be83a80a..eeb1f4af96abdf753ef4dbd24d7392666ada1ac9 100644
--- a/core/tests/Drupal/Nightwatch/Tests/exampleTest.js
+++ b/core/tests/Drupal/Nightwatch/Tests/exampleTest.js
@@ -2,18 +2,18 @@ module.exports = {
   '@tags': ['core'],
   before(browser) {
     browser
-      .installDrupal({ setupFile: 'core/tests/Drupal/TestSite/TestSiteInstallTestScript.php' });
+      .drupalInstall({ setupFile: 'core/tests/Drupal/TestSite/TestSiteInstallTestScript.php' });
   },
   after(browser) {
     browser
-      .uninstallDrupal();
+      .drupalUninstall();
   },
   'Test page': (browser) => {
     browser
-      .relativeURL('/test-page')
+      .drupalRelativeURL('/test-page')
       .waitForElementVisible('body', 1000)
       .assert.containsText('body', 'Test page text')
-      .logAndEnd({ onlyOnError: false });
+      .drupalLogAndEnd({ onlyOnError: false });
   },
   /**
   'Example failing test': (browser) => {
@@ -25,7 +25,7 @@ module.exports = {
       // Wait for some errors to build up.
       .pause(5000)
       .assert.containsText('h1', 'I\'m the operator with my pocket calculator')
-      .logAndEnd();
+      .drupalLogAndEnd();
   },
   **/
 };