Fix a test to work with the new task model

pkg/analyzer/test/generated/resolver_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 engine.resolver_test;
 
 import 'dart:collection';
 
 import 'package:analyzer/src/context/context.dart' as newContext;
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 9149 matching lines @@
   void test_localVariable_types_invoked() {
     Source source = addSource(r'''
 const A = null;
 main() {
   var myVar = (int p) => 'foo';
   myVar(42);
 }''');
     LibraryElement library = resolve(source);
     expect(library, isNotNull);
     CompilationUnit unit =
-        analysisContext.getResolvedCompilationUnit(source, library);
+        analysisContext.resolveCompilationUnit(source, library);
     expect(unit, isNotNull);
     List<bool> found = [false];
     List<CaughtException> thrownException = new List<CaughtException>(1);
     unit.accept(new _SimpleResolverTest_localVariable_types_invoked(
         this, found, thrownException));
     if (thrownException[0] != null) {
       throw new AnalysisException(
           "Exception", new CaughtException(thrownException[0], null));
     }
     expect(found[0], isTrue);
@@ skipping 4694 matching lines @@
         // check propagated type
         FunctionType propagatedType = node.propagatedType as FunctionType;
         expect(propagatedType.returnType, test.typeProvider.stringType);
       } on AnalysisException catch (e, stackTrace) {
         thrownException[0] = new CaughtException(e, stackTrace);
       }
     }
     return null;
   }
 }