Restore partial analysis of analysis options files

pkg/analysis_server/test/integration/search/find_top_level_declarations_test.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../support/integration_tests.dart';
 
@@ skipping 25 matching lines @@
 
     SearchFindTopLevelDeclarationsResult declarationsResult =
         await sendSearchFindTopLevelDeclarations(r'qu.*');
     expect(declarationsResult.id, isNotNull);
 
     SearchResultsParams searchParams = await onSearchResults.first;
     expect(searchParams.id, declarationsResult.id);
     expect(searchParams.isLast, isTrue);
     expect(searchParams.results, isNotEmpty);
 
-    SearchResult result = searchParams.results.first;
-    expect(result.location.file, pathname);
-    expect(result.isPotential, isFalse);
-    expect(result.kind.name, SearchResultKind.DECLARATION.name);
-    expect(result.path.first.name, 'qux');
+    for (SearchResult result in searchParams.results) {
+      if (result.location.file == pathname) {
+        expect(result.isPotential, isFalse);
+        expect(result.kind.name, SearchResultKind.DECLARATION.name);
+        expect(result.path.first.name, 'qux');
+        return;
+      }
+    }
+    fail('No result for $pathname');
   }
 }