extract LocalLibraryContributor from imported reference contributor

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

Index: pkg/analysis_server/test/services/completion/dart/test_all.dart
diff --git a/pkg/analysis_server/test/services/completion/dart/test_all.dart b/pkg/analysis_server/test/services/completion/dart/test_all.dart
index 7e58bf8c05b8c4d11774ee001632e9373572e004..66e37b6531483b92c8d32007ee2b077dec9c58a7 100644
--- a/pkg/analysis_server/test/services/completion/dart/test_all.dart
+++ b/pkg/analysis_server/test/services/completion/dart/test_all.dart
@@ -17,6 +17,7 @@ import 'label_contributor_test.dart' as label_contributor_test;
 import 'library_member_contributor_test.dart' as library_member_test;
 import 'library_prefix_contributor_test.dart' as library_prefix_test;
 import 'local_constructor_contributor_test.dart' as local_constructor_test;
+import 'local_library_contributor_test.dart' as local_lib_test;
 import 'local_reference_contributor_test.dart' as local_ref_test;
 import 'named_constructor_contributor_test.dart' as named_contributor_test;
 import 'static_member_contributor_test.dart' as static_contributor_test;
@@ -37,6 +38,7 @@ main() {
     library_member_test.main();
     library_prefix_test.main();
     local_constructor_test.main();
+    local_lib_test.main();
     local_ref_test.main();
     named_contributor_test.main();
     static_contributor_test.main();