message: fix: stop ad-hoc headings from crashing by reusing custom axe rule
diff: @@ -17,7 +17,7 @@ const { guidance } = content.headings;
  const headingsTestKey = AdHocTestkeys.Headings;
  const headingsRuleAnalyzerConfiguration: RuleAnalyzerConfiguration = {
  - rules: ['heading-order'],
  + rules: ['collect-headings'],
  resultProcessor: (scanner: ScannerUtils) => scanner.getAllCompletedInstances,
  telemetryProcessor: (telemetryFactory: TelemetryDataFactory) => telemetryFactory.forTestScan,
  key: headingsTestKey,
  