diff --git a/src/browser/webapi/CustomElementRegistry.zig b/src/browser/webapi/CustomElementRegistry.zig
index 59c5900e9..e1a24b9e2 100644
--- a/src/browser/webapi/CustomElementRegistry.zig
+++ b/src/browser/webapi/CustomElementRegistry.zig
@@ -288,5 +288,6 @@ pub const JsApi = struct {
 
 const testing = @import("../../testing.zig");
 test "WebApi: CustomElementRegistry" {
+    testing.expectLog(&.{.js, .js, .js, .js, .js, .js, .js, .js, .js, .js, .js, .js});
     try testing.htmlRunner("custom_elements", .{});
 }