diff --git a/core/modules/responsive_image/src/Tests/ResponsiveImageAdminUITest.php b/core/modules/responsive_image/src/Tests/ResponsiveImageAdminUITest.php
index 15daedd..5498e2a 100644
--- a/core/modules/responsive_image/src/Tests/ResponsiveImageAdminUITest.php
+++ b/core/modules/responsive_image/src/Tests/ResponsiveImageAdminUITest.php
@@ -115,9 +115,9 @@ public function testResponsiveImageAdmin() {
     // Check the mapping for multipliers 1x and 2x for the narrow breakpoint.
     $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][1x][image_mapping_type]', 'sizes');
     $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][1x][sizes]', '(min-width: 700px) 700px, 100vw');
-    $this->assertFieldChecked('edit-keyed_styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-large');
-    $this->assertFieldChecked('edit-keyed_styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-medium');
-    $this->assertNoFieldChecked('edit-keyed_styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-thumbnail');
+    $this->assertFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-large');
+    $this->assertFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-medium');
+    $this->assertNoFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-thumbnail');
     $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][2x][image_mapping_type]', '_none');
 
     // Check the mapping for multipliers 1x and 2x for the wide breakpoint.