Remove the old task model

pkg/analyzer/test/enum_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.enums;
 
 import 'dart:mirrors';
 
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
@@ skipping 81 matching lines @@
       ..check_getters()
       ..check_explicit_values();
   }
 
   void test_RedirectingConstructorKind() {
     new EnumTester<RedirectingConstructorKind>()
       ..check_getters()
       ..check_explicit_values();
   }
 
-  void test_RetentionPriority() {
-    new EnumTester<RetentionPriority>()
-      ..check_getters()
-      ..check_explicit_values();
-  }
-
   void test_SourceKind() {
     new EnumTester<SourceKind>()
       ..check_getters()
       ..check_explicit_values();
   }
 
-  void test_SourcePriority() {
-    new EnumTester<SourcePriority>()
-      ..check_getters()
-      ..check_explicit_values();
-  }
-
   void test_UriKind() {
     new EnumTester<UriKind>()
       ..check_getters()
       ..check_explicit_values();
   }
 
   void test_WrapperKind() {
     new EnumTester<WrapperKind>()
       ..check_getters()
       ..check_explicit_values();
@@ skipping 101 matching lines @@
 
     // Check that the set of ordinals runs from 0 to N-1, where N is the number
     // of enumerated values.
     Set<int> expectedOrdinals = new Set<int>();
     for (int i = 0; i < numValues; i++) {
       expectedOrdinals.add(i);
     }
     expect(ordinals.keys.toSet(), equals(expectedOrdinals));
   }
 }