[element model] migrate import_library_element_test

Change-Id: I26235271301ef7691bd9559f57691e4e5f9d8ddc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/401864
Reviewed-by: Konstantin Shcheglov <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Phil Quitslund <[email protected]>

Author: pq

pkg/analyzer_plugin/analyzer_use_new_elements.txt

@@ -13,7 +13,6 @@ lib/utilities/completion/suggestion_builder.dart
 lib/utilities/completion/type_member_contributor.dart
 lib/utilities/range_factory.dart
 test/src/utilities/change_builder/change_builder_dart_test.dart
-test/src/utilities/change_builder/dart/import_library_element_test.dart
 test/src/utilities/completion/completion_target_test.dart
 test/src/utilities/visitors/local_declaration_visitor_test.dart
 test/support/abstract_context.dart

pkg/analyzer_plugin/test/src/utilities/change_builder/dart/import_library_element_test.dart

@@ -472,8 +472,8 @@ class _Base extends AbstractContextTest with DartChangeBuilderMixin {
 
     var requestedResult =
         await (await session).getLibraryByUri(uriStr) as LibraryElementResult;
-    var requestedLibrary = requestedResult.element;
-    var requestedElement = requestedLibrary.exportNamespace.get(name);
+    var requestedLibrary = requestedResult.element2;
+    var requestedElement = requestedLibrary.exportNamespace.get2(name);
     expect(requestedElement, isNotNull, reason: '`$name` in $uriStr');
 
     var builder = await newBuilder();