Explicitly compute analysis results for sources to check errors.

pkg/analyzer/test/generated/all_the_rest_test.dart

 // Copyright (c) 2014, 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.
 
 library analyzer.test.generated.all_the_rest_test;
 
 import 'dart:async';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 769 matching lines @@
    * [code] the code to resolve.
    *
    * Returns the result of resolving the AST structure representing the content
    * of the source.
    *
    * Throws if source cannot be verified.
    */
   Future<CompilationUnit> _resolveContents(String code) async {
     Source source = addSource(code);
     LibraryElement library = resolve2(source);
-    await assertNoErrors(source);
+    await computeAnalysisResult(source);
+    assertNoErrors(source);
     verify([source]);
     return analysisContext.resolveCompilationUnit(source, library);
   }
 }
 
 @reflectiveTest
 class EnumMemberBuilderTest extends EngineTestCase {
   test_visitEnumDeclaration_multiple() async {
     String firstName = "ONE";
     String secondName = "TWO";
@@ skipping 1470 matching lines @@
     expect(UriKind.fromEncoding(0x70), same(UriKind.PACKAGE_URI));
     expect(UriKind.fromEncoding(0x58), same(null));
   }
 
   test_getEncoding() async {
     expect(UriKind.DART_URI.encoding, 0x64);
     expect(UriKind.FILE_URI.encoding, 0x66);
     expect(UriKind.PACKAGE_URI.encoding, 0x70);
   }
 }