Move getElement() tests from AbstractResynthesizeTest mixin into AST resynthesizer tests.

pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart

Index: pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart b/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
index 9d427b105f1f2ae4d82cb3a14ea61ad8321c8257..0106280f6e4a24d89a844c1af8d2a6fde8482e56 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
@@ -11,7 +11,6 @@ import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/kernel/resynthesize.dart';
-import 'package:analyzer/src/summary/resynthesize.dart';
 import 'package:front_end/compiler_options.dart';
 import 'package:front_end/file_system.dart';
 import 'package:front_end/src/base/libraries_specification.dart';
@@ -113,12 +112,6 @@ class ResynthesizeKernelStrongTest extends ResynthesizeTest {
     return resynthesizer.getLibrary(testUriStr);
   }
 
-  @override
-  SummaryResynthesizer encodeDecodeLibrarySource(Source librarySource) {
-    // TODO(scheglov): implement encodeDecodeLibrarySource
-    throw new UnimplementedError();
-  }
-
   @failingTest
   test_class_constructor_field_formal_multiple_matching_fields() async {
     // Fasta does not generate the class.
@@ -386,46 +379,6 @@ class ResynthesizeKernelStrongTest extends ResynthesizeTest {
     await super.test_genericFunction_asParameterType();
   }
 
-  @failingTest
-  test_getElement_constructor_named() async {
-    await super.test_getElement_constructor_named();
-  }
-
-  @failingTest
-  test_getElement_constructor_unnamed() async {
-    await super.test_getElement_constructor_unnamed();
-  }
-
-  @failingTest
-  test_getElement_field() async {
-    await super.test_getElement_field();
-  }
-
-  @failingTest
-  test_getElement_getter() async {
-    await super.test_getElement_getter();
-  }
-
-  @failingTest
-  test_getElement_method() async {
-    await super.test_getElement_method();
-  }
-
-  @failingTest
-  test_getElement_operator() async {
-    await super.test_getElement_operator();
-  }
-
-  @failingTest
-  test_getElement_setter() async {
-    await super.test_getElement_setter();
-  }
-
-  @failingTest
-  test_getElement_unit() async {
-    await super.test_getElement_unit();
-  }
-
   @failingTest
   test_import_configurations_useDefault() async {
     await super.test_import_configurations_useDefault();