Replace more same(type) with equal(type).

pkg/analyzer/test/generated/resolver_test_case.dart

 // Copyright (c) 2016, 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.resolver_test_case;
 
 import 'dart:async';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_resolution_map.dart';
@@ skipping 457 matching lines @@
     verify([source]);
   }
 
   /**
    * @param code the code that assigns the value to the variable "v", no matter how. We check that
    *          "v" has expected static and propagated type.
    */
   Future<Null> assertPropagatedAssignedType(String code,
       DartType expectedStaticType, DartType expectedPropagatedType) async {
     SimpleIdentifier identifier = await findMarkedIdentifier(code, "v = ");
-    expect(identifier.staticType, same(expectedStaticType));
-    expect(identifier.propagatedType, same(expectedPropagatedType));
+    expect(identifier.staticType, expectedStaticType);
+    expect(identifier.propagatedType, expectedPropagatedType);
   }
 
   /**
    * @param code the code that iterates using variable "v". We check that
    *          "v" has expected static and propagated type.
    */
   Future<Null> assertPropagatedIterationType(String code,
       DartType expectedStaticType, DartType expectedPropagatedType) async {
     SimpleIdentifier identifier = await findMarkedIdentifier(code, "v in ");
-    expect(identifier.staticType, same(expectedStaticType));
-    expect(identifier.propagatedType, same(expectedPropagatedType));
+    expect(identifier.staticType, expectedStaticType);
+    expect(identifier.propagatedType, expectedPropagatedType);
   }
 
   /**
    * Check the static and propagated types of the expression marked with "; // marker" comment.
    *
    * @param code source code to analyze, with the expression to check marked with "// marker".
    * @param expectedStaticType if non-null, check actual static type is equal to this.
    * @param expectedPropagatedType if non-null, check actual static type is equal to this.
    * @throws Exception
    */
@@ skipping 435 matching lines @@
     }
   }
 }
 
 class TestAnalysisResult {
   final Source source;
   final CompilationUnit unit;
   final List<AnalysisError> errors;
   TestAnalysisResult(this.source, this.unit, this.errors);
 }