diff --git a/editor/libeditor/tests/test_bug430392.html b/editor/libeditor/tests/test_bug430392.html
index 980eed6fb87a..4e45586ab09b 100644
--- a/editor/libeditor/tests/test_bug430392.html
+++ b/editor/libeditor/tests/test_bug430392.html
@@ -34,7 +34,6 @@ function test() {
   var tests = [["adding returns", () => {
     getSelection().collapse(edit.firstChild, 0);
     synthesizeKey("VK_RIGHT", {});
-    synthesizeKey("VK_RIGHT", {});
     synthesizeKey("VK_RETURN", {});
     synthesizeKey("VK_RETURN", {});
     synthesizeKey("VK_BACK_SPACE", {});
@@ -45,7 +44,6 @@ function test() {
   ["adding shift-returns", () => {
     getSelection().collapse(edit.firstChild, 0);
     synthesizeKey("VK_RIGHT", {});
-    synthesizeKey("VK_RIGHT", {});
     synthesizeKey("VK_RETURN", {shiftKey: true});
     synthesizeKey("VK_RETURN", {shiftKey: true});
     synthesizeKey("VK_BACK_SPACE", {});