diff --git a/services/web/test/frontend/features/pdf-preview/components/pdf-synctex-controls.test.js b/services/web/test/frontend/features/pdf-preview/components/pdf-synctex-controls.test.js
index 4dc7f2ba72..04c598aa8b 100644
--- a/services/web/test/frontend/features/pdf-preview/components/pdf-synctex-controls.test.js
+++ b/services/web/test/frontend/features/pdf-preview/components/pdf-synctex-controls.test.js
@@ -219,6 +219,14 @@ describe('<PdfSynctexControls/>', function () {
         name: 'Go to code location in PDF',
       })
 
+      // mock editor cursor position update
+      fireEvent(
+        window,
+        new CustomEvent('cursor:editor:update', {
+          detail: { row: 100, column: 10 },
+        })
+      )
+
       sysendTestHelper.receiveMessage({
         role: 'detached',
         event: 'state-sync-to-pdf-inflight',