diff --git a/tests/phpunit/data/themedir1/block-theme-non-latin/parts/small-header-τεστ.html b/tests/phpunit/data/themedir1/block-theme-non-latin/parts/small-header-test.html
similarity index 100%
rename from tests/phpunit/data/themedir1/block-theme-non-latin/parts/small-header-τεστ.html
rename to tests/phpunit/data/themedir1/block-theme-non-latin/parts/small-header-test.html
diff --git a/tests/phpunit/data/themedir1/block-theme-non-latin/parts/small-header-测试.html b/tests/phpunit/data/themedir1/block-theme-non-latin/parts/small-header-测试.html
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/tests/phpunit/data/themedir1/block-theme-non-latin/templates/page-测试.html b/tests/phpunit/data/themedir1/block-theme-non-latin/templates/page-test.html
similarity index 100%
rename from tests/phpunit/data/themedir1/block-theme-non-latin/templates/page-测试.html
rename to tests/phpunit/data/themedir1/block-theme-non-latin/templates/page-test.html
diff --git a/tests/phpunit/data/themedir1/block-theme-non-latin/templates/page-τεστ.html b/tests/phpunit/data/themedir1/block-theme-non-latin/templates/page-τεστ.html
deleted file mode 100644
index ff8979cb4f..0000000000
--- a/tests/phpunit/data/themedir1/block-theme-non-latin/templates/page-τεστ.html
+++ /dev/null
@@ -1,3 +0,0 @@
-<!-- wp:paragraph -->
-<p>(τεστ) Page Template</p>
-<!-- /wp:paragraph -->
diff --git a/tests/phpunit/tests/rest-api/wpRestTemplatesController.php b/tests/phpunit/tests/rest-api/wpRestTemplatesController.php
index 718cd2f286..f9db78c76d 100644
--- a/tests/phpunit/tests/rest-api/wpRestTemplatesController.php
+++ b/tests/phpunit/tests/rest-api/wpRestTemplatesController.php
@@ -300,7 +300,7 @@ class Tests_REST_WpRestTemplatesController extends WP_Test_REST_Controller_Testc
 				'args'      => array(
 					'post_name'    => 'small-header-τεστ',
 					'post_title'   => 'Small Header τεστ Template',
-					'post_content' => file_get_contents( $theme_root_dir . '/block-theme-non-latin/parts/small-header-τεστ.html' ),
+					'post_content' => file_get_contents( $theme_root_dir . '/block-theme-non-latin/parts/small-header-test.html' ),
 					'post_excerpt' => 'Description of small header τεστ template.',
 				),
 			),
@@ -310,7 +310,7 @@ class Tests_REST_WpRestTemplatesController extends WP_Test_REST_Controller_Testc
 				'args'      => array(
 					'post_name'    => 'page-τεστ',
 					'post_title'   => 'τεστ Page Template',
-					'post_content' => file_get_contents( $theme_root_dir . 'block-theme-non-latin/templates/page-τεστ.html' ),
+					'post_content' => file_get_contents( $theme_root_dir . 'block-theme-non-latin/templates/page-test.html' ),
 					'post_excerpt' => 'Description of page τεστ template.',
 				),
 			),
@@ -320,7 +320,7 @@ class Tests_REST_WpRestTemplatesController extends WP_Test_REST_Controller_Testc
 				'args'      => array(
 					'post_name'    => 'small-header-测试',
 					'post_title'   => 'Small Header 测试 Template',
-					'post_content' => file_get_contents( $theme_root_dir . '/block-theme-non-latin/parts/small-header-测试.html' ),
+					'post_content' => file_get_contents( $theme_root_dir . '/block-theme-non-latin/parts/small-header-test.html' ),
 					'post_excerpt' => 'Description of small header 测试 template.',
 				),
 			),
@@ -330,7 +330,7 @@ class Tests_REST_WpRestTemplatesController extends WP_Test_REST_Controller_Testc
 				'args'      => array(
 					'post_name'    => 'page-测试',
 					'post_title'   => '测试 Page Template',
-					'post_content' => file_get_contents( $theme_root_dir . 'block-theme-non-latin/templates/page-测试.html' ),
+					'post_content' => file_get_contents( $theme_root_dir . 'block-theme-non-latin/templates/page-test.html' ),
 					'post_excerpt' => 'Description of page 测试 template.',
 				),
 			),