Fix for searching constructor references.

pkg/analysis_server/test/services/index/dart_index_contributor_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.src.index.dart_index_contributor;
 
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/index/index_contributor.dart';
 import 'package:analysis_server/src/services/index/index_store.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 146 matching lines @@
     // prepare elements
     Element mainElement = findElement("main");
     VariableElement variableElement = findElement("v");
     // verify
     _assertNoRecordedRelation(
         variableElement,
         IndexConstants.IS_READ_BY,
         _expectedLocation(mainElement, 'v in []'));
   }
 
-  void test_isDefinedBy_ConstructorElement() {
-    _indexTestUnit('''
-class A {
-  A() {}
-  A.foo() {}
-}''');
-    // prepare elements
-    ClassElement classA = findElement("A");
-    ConstructorElement consA =
-        findNodeElementAtString("A()", (node) => node is ConstructorDeclaration);
-    ConstructorElement consA_foo =
-        findNodeElementAtString("A.foo()", (node) => node is ConstructorDeclaration);
-    // verify
-    _assertRecordedRelation(
-        consA,
-        IndexConstants.NAME_IS_DEFINED_BY,
-        _expectedLocation(classA, '() {}'));
-    _assertRecordedRelation(
-        consA_foo,
-        IndexConstants.NAME_IS_DEFINED_BY,
-        _expectedLocation(classA, '.foo() {}', length: 4));
-  }
-
   void test_isDefinedBy_NameElement_method() {
     _indexTestUnit('''
 class A {
   m() {}
 }''');
     // prepare elements
     Element methodElement = findElement("m");
     Element nameElement = new NameElement("m");
     // verify
     _assertRecordedRelation(
@@ skipping 1581 matching lines @@
 
   RecordedRelation(this.element, this.relationship, this.location);
 
   @override
   String toString() {
     return 'RecordedRelation(element=$element; relationship=$relationship; '
         'location=$location; flags=' '${location.isQualified ? "Q" : ""}'
         '${location.isResolved ? "R" : ""})';
   }
 }