extract LocalConstructorContributor from local reference contributor

pkg/analysis_server/test/services/completion/local_reference_contributor_test.dart

Index: pkg/analysis_server/test/services/completion/local_reference_contributor_test.dart
diff --git a/pkg/analysis_server/test/services/completion/local_reference_contributor_test.dart b/pkg/analysis_server/test/services/completion/local_reference_contributor_test.dart
index 1c80727f60b51eeab103861d5f883d4483533b7c..cc80c229a30c8f7357631da22f872b0f813dfa96 100644
--- a/pkg/analysis_server/test/services/completion/local_reference_contributor_test.dart
+++ b/pkg/analysis_server/test/services/completion/local_reference_contributor_test.dart
@@ -45,12 +45,6 @@ class LocalReferenceContributorTest extends AbstractSelectorSuggestionTest {
   }
 
   @override
-  CompletionSuggestion assertSuggestLocalConstructor(String name,
-      {int elemOffset}) {
-    return assertSuggestConstructor(name, elemOffset: elemOffset);
-  }
-
-  @override
   CompletionSuggestion assertSuggestLocalField(String name, String type,
       {int relevance: DART_RELEVANCE_LOCAL_FIELD, bool deprecated: false}) {
     return assertSuggestField(name, type,
@@ -643,39 +637,10 @@ class C {C.bar({boo: 'hoo', int z: 0}) { } }
 main() {new ^ String x = "hello";}''');
     computeFast();
     return computeFull((bool result) {
-      CompletionSuggestion suggestion;
-
-      suggestion = assertSuggestLocalConstructor('A', elemOffset: -1);
-      expect(suggestion.element.parameters, '()');
-      expect(suggestion.element.returnType, 'A');
-      expect(suggestion.declaringType, 'A');
-      expect(suggestion.parameterNames, hasLength(0));
-      expect(suggestion.requiredParameterCount, 0);
-      expect(suggestion.hasNamedParameters, false);
-
-      suggestion = assertSuggestLocalConstructor('B');
-      expect(suggestion.element.parameters, '(int x, [String boo])');
-      expect(suggestion.element.returnType, 'B');
-      expect(suggestion.declaringType, 'B');
-      expect(suggestion.parameterNames, hasLength(2));
-      expect(suggestion.parameterNames[0], 'x');
-      expect(suggestion.parameterTypes[0], 'int');
-      expect(suggestion.parameterNames[1], 'boo');
-      expect(suggestion.parameterTypes[1], 'String');
-      expect(suggestion.requiredParameterCount, 1);
-      expect(suggestion.hasNamedParameters, false);
-
-      suggestion = assertSuggestLocalConstructor('C.bar');
-      expect(suggestion.element.parameters, '({dynamic boo, int z})');
-      expect(suggestion.element.returnType, 'C');
-      expect(suggestion.declaringType, 'C');
-      expect(suggestion.parameterNames, hasLength(2));
-      expect(suggestion.parameterNames[0], 'boo');
-      expect(suggestion.parameterTypes[0], 'dynamic');
-      expect(suggestion.parameterNames[1], 'z');
-      expect(suggestion.parameterTypes[1], 'int');
-      expect(suggestion.requiredParameterCount, 0);
-      expect(suggestion.hasNamedParameters, true);
+      // Suggested by ConstructorContributor
+      assertNotSuggested('A');
+      assertNotSuggested('B');
+      assertNotSuggested('C.bar');
     });
   }