test(browser): drive console.error through to a fired property

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

test/browser/testdata/console-quiet/spec.ts

@@ -0,0 +1,15 @@
+import { always, extract, taps } from "@sanderling/spec";
+import { noLogcatErrors } from "@sanderling/spec/defaults/properties";
+
+const presses = extract((s) => {
+  const el = s.ax.find({ id: "count" });
+  return el ? parseInt(el.text, 10) || 0 : 0;
+}).named("presses");
+
+// The run has to actually be driving the page, or noLogcatErrors staying
+// satisfied says nothing about whether it can fire at all.
+const counterNeverMoves = always(() => presses.current === 0);
+
+export const properties = { noLogcatErrors, counterNeverMoves };
+
+export const actionsRoot = taps;