diff --git a/tests/phpunit/tests/l10n/getUserLocale.php b/tests/phpunit/tests/l10n/getUserLocale.php
index 0ecc69bf60..814a82ce2e 100644
--- a/tests/phpunit/tests/l10n/getUserLocale.php
+++ b/tests/phpunit/tests/l10n/getUserLocale.php
@@ -4,7 +4,7 @@
  * @group l10n
  * @group i18n
  */
-class Tests_Get_User_Locale extends WP_UnitTestCase {
+class Tests_L10n_GetUserLocale extends WP_UnitTestCase {
 	protected $user_id;
 
 	public function setUp() {
diff --git a/tests/phpunit/tests/l10n/loadScriptTextdomain.php b/tests/phpunit/tests/l10n/loadScriptTextdomain.php
index 457f529c61..b9b6ef0c3f 100644
--- a/tests/phpunit/tests/l10n/loadScriptTextdomain.php
+++ b/tests/phpunit/tests/l10n/loadScriptTextdomain.php
@@ -4,7 +4,7 @@
  * @group l10n
  * @group i18n
  */
-class Tests_L10n_loadScriptTextdomain extends WP_UnitTestCase {
+class Tests_L10n_LoadScriptTextdomain extends WP_UnitTestCase {
 
 	/**
 	 * @ticket 45528
diff --git a/tests/phpunit/tests/l10n/loadTextdomain.php b/tests/phpunit/tests/l10n/loadTextdomain.php
index ee3c449668..08be6b7cf7 100644
--- a/tests/phpunit/tests/l10n/loadTextdomain.php
+++ b/tests/phpunit/tests/l10n/loadTextdomain.php
@@ -4,7 +4,7 @@
  * @group l10n
  * @group i18n
  */
-class Tests_L10n_loadTextdomain extends WP_UnitTestCase {
+class Tests_L10n_LoadTextdomain extends WP_UnitTestCase {
 	protected $locale;
 	protected static $user_id;
 
diff --git a/tests/phpunit/tests/l10n/loadTextdomainJustInTime.php b/tests/phpunit/tests/l10n/loadTextdomainJustInTime.php
index fa3e1589a1..42f8e7ea4d 100644
--- a/tests/phpunit/tests/l10n/loadTextdomainJustInTime.php
+++ b/tests/phpunit/tests/l10n/loadTextdomainJustInTime.php
@@ -4,7 +4,7 @@
  * @group l10n
  * @group i18n
  */
-class Tests_L10n_loadTextdomainJustInTime extends WP_UnitTestCase {
+class Tests_L10n_LoadTextdomainJustInTime extends WP_UnitTestCase {
 	protected $orig_theme_dir;
 	protected $theme_root;
 	protected static $user_id;
diff --git a/tests/phpunit/tests/l10n/localeSwitcher.php b/tests/phpunit/tests/l10n/wpLocaleSwitcher.php
similarity index 99%
rename from tests/phpunit/tests/l10n/localeSwitcher.php
rename to tests/phpunit/tests/l10n/wpLocaleSwitcher.php
index bb0324b749..029bb2bc82 100644
--- a/tests/phpunit/tests/l10n/localeSwitcher.php
+++ b/tests/phpunit/tests/l10n/wpLocaleSwitcher.php
@@ -5,7 +5,7 @@
  * @group i18n
  * @ticket 26511
  */
-class Tests_Locale_Switcher extends WP_UnitTestCase {
+class Tests_L10n_wpLocaleSwitcher extends WP_UnitTestCase {
 	/**
 	 * @var string
 	 */