Replace using MockSdk with FolderBasedDartSdk + summaries in AbstractContextTest(s).

pkg/analysis_server/test/services/correction/fix_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 test.services.correction.fix;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/edit/fix/fix_core.dart';
 import 'package:analysis_server/plugin/protocol/protocol.dart'
@@ skipping 4250 matching lines @@
     process(items);
   }
 }
 
 void process(List<int> items) {
 }
 ''');
     _assertLinkedGroup(
         change.linkedEditGroups[2],
         ['List<int> items) {'],
-        expectedSuggestions(LinkedEditSuggestionKind.TYPE,
-            ['List<int>', 'Iterable<int>', 'Object']));
+        expectedSuggestions(LinkedEditSuggestionKind.TYPE, [
+          'List<int>',
+          'EfficientLengthIterable<int>',
+          'Iterable<int>',
+          'Object'
+        ]));
   }
 
   test_undefinedFunction_create_importType() async {
     addSource(
         '/lib.dart',
         r'''
 library lib;
 import 'dart:async';
 Future getFuture() => null;
 ''');
@@ skipping 618 matching lines @@
     _assertLinkedGroup(
         change.linkedEditGroups[index++],
         ['double d'],
         expectedSuggestions(LinkedEditSuggestionKind.TYPE,
             ['double', 'num', 'Object', 'Comparable<num>']));
     _assertLinkedGroup(change.linkedEditGroups[index++], ['d,']);
     _assertLinkedGroup(
         change.linkedEditGroups[index++],
         ['String s'],
         expectedSuggestions(LinkedEditSuggestionKind.TYPE,
-            ['String', 'Object', 'Comparable<String>']));
+            ['String', 'Object', 'Comparable<String>', 'Pattern']));
     _assertLinkedGroup(change.linkedEditGroups[index++], ['s)']);
   }
 
   test_undefinedMethod_createUnqualified_parameters_named() async {
     resolveTestUnit('''
 class A {
   main() {
     myUndefinedMethod(0, bbb: 1.0, ccc: '2');
   }
 }
@@ skipping 23 matching lines @@
     _assertLinkedGroup(change.linkedEditGroups[index++], ['i,']);
     _assertLinkedGroup(
         change.linkedEditGroups[index++],
         ['double bbb'],
         expectedSuggestions(LinkedEditSuggestionKind.TYPE,
             ['double', 'num', 'Object', 'Comparable<num>']));
     _assertLinkedGroup(
         change.linkedEditGroups[index++],
         ['String ccc'],
         expectedSuggestions(LinkedEditSuggestionKind.TYPE,
-            ['String', 'Object', 'Comparable<String>']));
+            ['String', 'Object', 'Comparable<String>', 'Pattern']));
   }
 
   test_undefinedMethod_createUnqualified_returnType() async {
     resolveTestUnit('''
 class A {
   main() {
     int v = myUndefinedMethod();
   }
 }
 ''');
@@ skipping 570 matching lines @@
   var v = 42;
   print('v: $v');
 }
 ''');
   }
 
   void verifyResult(String expectedResult) {
     expect(resultCode, expectedResult);
   }
 }