diff --git a/tests/lib/control-plane-view-ui.test.js b/tests/lib/control-plane-view-ui.test.js
index 142caad91..2d0ab7880 100644
--- a/tests/lib/control-plane-view-ui.test.js
+++ b/tests/lib/control-plane-view-ui.test.js
@@ -16,7 +16,11 @@ async function renderResponse(ok, data) {
getElementById(id) { if (!elements.has(id)) elements.set(id, element()); return elements.get(id); },
createElement: element
};
- const code = renderControlPlaneViewHtml().match(/', start);
+ assert.ok(start >= 0 && end > start, 'fixed renderer template must contain its inline script');
+ const code = html.slice(start + '