--- a/mrjunejune/test/latex_editor_test.js	Mon Aug 03 18:30:45 2026 -0700
+++ b/mrjunejune/test/latex_editor_test.js	Mon Aug 03 20:20:06 2026 -0700
@@ -224,9 +224,17 @@
     await page.goto(`${baseUrl}/tools/latex_editor`, {
       waitUntil: 'networkidle',
     });
-    await page.locator('#latexStatus[data-state="ready"]').waitFor({
+    await page.waitForFunction(() => {
+      const state = document.querySelector('#latexStatus')?.dataset.state;
+      return state === 'ready' || state === 'error';
+    }, null, {
       timeout: 15000,
     });
+    assert.equal(
+      await page.locator('#latexStatus').getAttribute('data-state'),
+      'ready',
+      await page.locator('#latexDiagnostics').textContent(),
+    );
     const editorAppearance = await page.locator('#latexSource').evaluate(element => {
       const style = getComputedStyle(element);
       const bounds = element.getBoundingClientRect();