Add documentationComment for Class to Kernel. Parse it. Resynthesize in Analyzer.

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 4c14a27f500526fbb6a93ed148fbec4b41a97f22..fca8bc855f869046c4e836882281c39aa6fa765a 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
@@ -230,23 +230,13 @@ class ResynthesizeKernelStrongTest extends ResynthesizeTest {
   }
 
   @failingTest
-  test_class_documented() async {
-    await super.test_class_documented();
-  }
-
-  @failingTest
   test_class_documented_tripleSlash() async {
     await super.test_class_documented_tripleSlash();
   }
 
   @failingTest
-  test_class_documented_with_references() async {
-    await super.test_class_documented_with_references();
-  }
-
-  @failingTest
-  test_class_documented_with_windows_line_endings() async {
-    await super.test_class_documented_with_windows_line_endings();
+  test_class_documented_withLeadingNotDocumentation() async {
+    await super.test_class_documented_withLeadingNotDocumentation();
   }
 
   @failingTest