Add a test for import-aware paste

pkg/analysis_server/test/src/computer/import_elements_computer_test.dart

Index: pkg/analysis_server/test/src/computer/import_elements_computer_test.dart
diff --git a/pkg/analysis_server/test/src/computer/import_elements_computer_test.dart b/pkg/analysis_server/test/src/computer/import_elements_computer_test.dart
index 36a0b1913128e6da8b6ad98bd513740398d486db..3dc4631115da56de53235751de09e309f12e2c9f 100644
--- a/pkg/analysis_server/test/src/computer/import_elements_computer_test.dart
+++ b/pkg/analysis_server/test/src/computer/import_elements_computer_test.dart
@@ -175,6 +175,18 @@ import 'package:pkg/foo.dart' show A;
     assertNoChanges();
   }
 
+  test_createEdits_importSelf() async {
+    await createBuilder('''
+class A {
+  A parent;
+}
+''');
+    await computeChanges(<ImportedElements>[
+      new ImportedElements(path, '', <String>['A'])
+    ]);
+    assertNoChanges();
+  }
+
   test_createEdits_noElements() async {
     await createBuilder('');
     await computeChanges(<ImportedElements>[]);