extract LibraryPrefixContributor from imported reference contributor

pkg/analysis_server/test/services/completion/completion_test_util.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.completion.util;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart' as protocol
     show Element, ElementKind;
@@ skipping 1272 matching lines @@
       assertNotSuggested('partBoo');
       // hidden element suggested as low relevance
       // but imported results are partially filtered
       //assertSuggestImportedClass('D', COMPLETION_RELEVANCE_LOW);
       //assertSuggestImportedFunction(
       //    'D1', null, true, COMPLETION_RELEVANCE_LOW);
       assertSuggestLocalFunction('D2', 'Z');
       assertSuggestImportedClass('EE');
       // hidden element suggested as low relevance
       //assertSuggestImportedClass('F', COMPLETION_RELEVANCE_LOW);
-      assertSuggestLibraryPrefix('g');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('g');
       assertNotSuggested('G');
       //assertSuggestImportedClass('H', COMPLETION_RELEVANCE_LOW);
       assertSuggestImportedClass('Object');
       assertSuggestImportedFunction('min', 'num');
       //assertSuggestImportedFunction(
       //    'max',
       //    'num',
       //    false,
       //    COMPLETION_RELEVANCE_LOW);
       if (contributor is ImportedReferenceContributor) {
@@ skipping 90 matching lines @@
       assertNotSuggested('partBoo');
       // hidden element suggested as low relevance
       // but imported results are partially filtered
       //assertSuggestImportedClass('D', COMPLETION_RELEVANCE_LOW);
       //assertSuggestImportedFunction(
       //    'D1', null, true, COMPLETION_RELEVANCE_LOW);
       assertNotSuggested('D2');
       assertSuggestImportedClass('EE');
       // hidden element suggested as low relevance
       //assertSuggestImportedClass('F', COMPLETION_RELEVANCE_LOW);
-      assertSuggestLibraryPrefix('g');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('g');
       assertNotSuggested('G');
       //assertSuggestImportedClass('H', COMPLETION_RELEVANCE_LOW);
       assertSuggestImportedClass('Object');
       assertNotSuggested('min');
       //assertSuggestImportedFunction(
       //    'max',
       //    'num',
       //    false,
       //    COMPLETION_RELEVANCE_LOW);
       assertNotSuggested('T1');
@@ skipping 102 matching lines @@
       assertNotSuggested('partBoo');
       // hidden element suggested as low relevance
       // but imported results are partially filtered
       //assertSuggestImportedClass('D', COMPLETION_RELEVANCE_LOW);
       //assertSuggestImportedFunction(
       //    'D1', null, true, COMPLETION_RELEVANCE_LOW);
       assertNotSuggested('D2');
       assertSuggestImportedClass('EE');
       // hidden element suggested as low relevance
       //assertSuggestImportedClass('F', COMPLETION_RELEVANCE_LOW);
-      assertSuggestLibraryPrefix('g');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('g');
       assertNotSuggested('G');
       //assertSuggestImportedClass('H', COMPLETION_RELEVANCE_LOW);
       assertSuggestImportedClass('Object');
       assertNotSuggested('min');
       //assertSuggestImportedFunction(
       //    'max',
       //    'num',
       //    false,
       //    COMPLETION_RELEVANCE_LOW);
       assertNotSuggested('T1');
@@ skipping 86 matching lines @@
       assertNotSuggested('partBoo');
       // hidden element suggested as low relevance
       // but imported results are partially filtered
       //assertSuggestImportedClass('D', COMPLETION_RELEVANCE_LOW);
       //assertSuggestImportedFunction(
       //    'D1', null, true, COMPLETION_RELEVANCE_LOW);
       assertNotSuggested('D2');
       assertSuggestImportedClass('EE');
       // hidden element suggested as low relevance
       //assertSuggestImportedClass('F', COMPLETION_RELEVANCE_LOW);
-      assertSuggestLibraryPrefix('g');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('g');
       assertNotSuggested('G');
       //assertSuggestImportedClass('H', COMPLETION_RELEVANCE_LOW);
       assertSuggestImportedClass('Object');
       assertNotSuggested('min');
       //assertSuggestImportedFunction(
       //    'max',
       //    'num',
       //    false,
       //    COMPLETION_RELEVANCE_LOW);
       assertNotSuggested('T1');
@@ skipping 426 matching lines @@
       if (suggestionB != null) {
         expect(suggestionB.element.isDeprecated, isFalse);
         expect(suggestionB.element.isPrivate, isTrue);
       }
       CompletionSuggestion suggestionO = assertSuggestImportedClass('Object');
       if (suggestionO != null) {
         expect(suggestionO.element.isDeprecated, isFalse);
         expect(suggestionO.element.isPrivate, isFalse);
       }
       assertNotSuggested('T');
-      assertSuggestLibraryPrefix('x');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('x');
     });
   }
 
   test_ClassDeclaration_body_final() {
     // ClassDeclaration  CompilationUnit
     addSource(
         '/testB.dart',
         '''
       class B { }''');
     addTestSource('''
       import "testB.dart" as x;
       class A {final ^}
       class _B {}
       A T;''');
     computeFast();
     return computeFull((bool result) {
       expect(request.replacementOffset, completionOffset);
       expect(request.replacementLength, 0);
       assertSuggestLocalClass('A');
       assertSuggestLocalClass('_B');
       assertSuggestImportedClass('Object');
       assertNotSuggested('T');
-      assertSuggestLibraryPrefix('x');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('x');
     });
   }
 
   test_ClassDeclaration_body_final_field() {
     // ClassDeclaration  CompilationUnit
     addSource(
         '/testB.dart',
         '''
       class B { }''');
     addTestSource('''
       import "testB.dart" as x;
       class A {final ^ A(){}}
       class _B {}
       A T;''');
     computeFast();
     return computeFull((bool result) {
       expect(request.replacementOffset, completionOffset);
       expect(request.replacementLength, 0);
       assertSuggestLocalClass('A');
       assertSuggestLocalClass('_B');
       assertSuggestImportedClass('String');
       assertNotSuggested('T');
-      assertSuggestLibraryPrefix('x');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('x');
     });
   }
 
   test_ClassDeclaration_body_final_field2() {
     // ClassDeclaration  CompilationUnit
     addSource(
         '/testB.dart',
         '''
       class B { }''');
     addTestSource('''
       import "testB.dart" as Soo;
       class A {final S^ A();}
       class _B {}
       A Sew;''');
     computeFast();
     return computeFull((bool result) {
       expect(request.replacementOffset, completionOffset - 1);
       expect(request.replacementLength, 1);
       assertSuggestLocalClass('A');
       assertSuggestLocalClass('_B');
       assertSuggestImportedClass('String');
       assertNotSuggested('Sew');
-      assertSuggestLibraryPrefix('Soo');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('Soo');
     });
   }
 
   test_ClassDeclaration_body_final_final() {
     // ClassDeclaration  CompilationUnit
     addSource(
         '/testB.dart',
         '''
       class B { }''');
     addTestSource('''
       import "testB.dart" as x;
       class A {final ^ final foo;}
       class _B {}
       A T;''');
     computeFast();
     return computeFull((bool result) {
       expect(request.replacementOffset, completionOffset);
       expect(request.replacementLength, 0);
       assertSuggestLocalClass('A');
       assertSuggestLocalClass('_B');
       assertSuggestImportedClass('Object');
       assertNotSuggested('T');
-      assertSuggestLibraryPrefix('x');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('x');
     });
   }
 
   test_ClassDeclaration_body_final_var() {
     // ClassDeclaration  CompilationUnit
     addSource(
         '/testB.dart',
         '''
       class B { }''');
     addTestSource('''
       import "testB.dart" as x;
       class A {final ^ var foo;}
       class _B {}
       A T;''');
     computeFast();
     return computeFull((bool result) {
       expect(request.replacementOffset, completionOffset);
       expect(request.replacementLength, 0);
       assertSuggestLocalClass('A');
       assertSuggestLocalClass('_B');
       assertSuggestImportedClass('Object');
       assertNotSuggested('T');
-      assertSuggestLibraryPrefix('x');
+      // Suggested by LibraryPrefixContributor
+      assertNotSuggested('x');
     });
   }
 
   test_Combinator_hide() {
     // SimpleIdentifier  HideCombinator  ImportDirective
     addSource(
         '/testAB.dart',
         '''
       library libAB;
       part '/partAB.dart';
@@ skipping 2469 matching lines @@
       assertNotSuggested('bar2');
       assertNotSuggested('_B');
       assertSuggestLocalClass('Y');
       assertSuggestLocalClass('C');
       assertSuggestLocalVariable('f', null);
       assertNotSuggested('x');
       assertNotSuggested('e');
     });
   }
 }