Fix parseAssignableSelector() tests and parse '?.' with Fasta.

pkg/analyzer/test/generated/parser_fasta_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:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart' as analyzer;
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/generated/parser.dart' as analyzer;
 import 'package:analyzer/src/generated/utilities_dart.dart';
@@ skipping 404 matching lines @@
   }
 
   @override
   @failingTest
   void test_parseAssignableExpression_expression_args_dot_typeParameters() {
     super.test_parseAssignableExpression_expression_args_dot_typeParameters();
   }
 
   @override
   @failingTest
-  void test_parseAssignableExpression_expression_question_dot() {
-    super.test_parseAssignableExpression_expression_question_dot();
-  }
-
-  @override
-  @failingTest
   void
       test_parseAssignableExpression_identifier_args_dot_typeParameterComments() {
     super
         .test_parseAssignableExpression_identifier_args_dot_typeParameterComments();
   }
 
   @override
   @failingTest
   void test_parseAssignableExpression_identifier_dot() {
     super.test_parseAssignableExpression_identifier_dot();
   }
 
   @override
   @failingTest
-  void test_parseAssignableExpression_identifier_question_dot() {
-    super.test_parseAssignableExpression_identifier_question_dot();
-  }
-
-  @override
-  @failingTest
-  void test_parseAssignableSelector_dot() {
-    super.test_parseAssignableSelector_dot();
-  }
-
-  @override
-  @failingTest
-  void test_parseAssignableSelector_index() {
-    super.test_parseAssignableSelector_index();
-  }
-
-  @override
-  @failingTest
-  void test_parseAssignableSelector_none() {
-    super.test_parseAssignableSelector_none();
-  }
-
-  @override
-  @failingTest
-  void test_parseAssignableSelector_question_dot() {
-    super.test_parseAssignableSelector_question_dot();
-  }
-
-  @override
-  @failingTest
   void test_parseAwaitExpression() {
     super.test_parseAwaitExpression();
   }
 
   @override
   @failingTest
   void test_parseCascadeSection_i() {
     super.test_parseCascadeSection_i();
   }
 
@@ skipping 373 matching lines @@
   }
 
   @override
   @failingTest
   void test_parseNewExpression() {
     super.test_parseNewExpression();
   }
 
   @override
   @failingTest
-  void test_parsePostfixExpression_none_methodInvocation_question_dot() {
-    super.test_parsePostfixExpression_none_methodInvocation_question_dot();
-  }
-
-  @override
-  @failingTest
   void
       test_parsePostfixExpression_none_methodInvocation_question_dot_typeArgumentComments() {
     super
         .test_parsePostfixExpression_none_methodInvocation_question_dot_typeArgumentComments();
   }
 
   @override
   @failingTest
   void
-      test_parsePostfixExpression_none_methodInvocation_question_dot_typeArguments() {
-    super
-        .test_parsePostfixExpression_none_methodInvocation_question_dot_typeArguments();
-  }
-
-  @override
-  @failingTest
-  void
       test_parsePostfixExpression_none_methodInvocation_typeArgumentComments() {
     super
         .test_parsePostfixExpression_none_methodInvocation_typeArgumentComments();
   }
 
   @override
   @failingTest
   void test_parsePostfixExpression_none_propertyAccess() {
     super.test_parsePostfixExpression_none_propertyAccess();
   }
@@ skipping 178 matching lines @@
   Expression parseAdditiveExpression(String code) {
     return _parseExpression(code);
   }
 
   @override
   Expression parseAssignableExpression(String code, bool primaryAllowed) {
     return _parseExpression(code);
   }
 
   @override
-  Expression parseAssignableSelector(
-      String code, Expression prefix, bool optional,
+  Expression parseAssignableSelector(String code, bool optional,
       {bool allowConditional: true}) {
-    return _parseExpression(code);
+    return _parseExpression('foo$code');
   }
 
   @override
   AwaitExpression parseAwaitExpression(String code) {
     return _parseExpression(code);
   }
 
   @override
   Expression parseBitwiseAndExpression(String code) {
     return _parseExpression(code);
@@ skipping 777 matching lines @@
   void test_parseTypeAlias_genericFunction_typeParameters_voidReturnType() {
     super.test_parseTypeAlias_genericFunction_typeParameters_voidReturnType();
   }
 
   @override
   @failingTest
   void test_parseTypeAlias_genericFunction_voidReturnType() {
     super.test_parseTypeAlias_genericFunction_voidReturnType();
   }
 }