Resynthesize interfaces from Kernel.

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 d7b587c3db1f7dfd0ca6020044412d720cd65e1a..46e6b791a2eaf9c5685856f76bd019db0453ce2e 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
@@ -291,16 +291,6 @@ class ResynthesizeKernelStrongTest extends ResynthesizeTest {
   }
 
   @failingTest
-  test_class_interfaces() async {
-    await super.test_class_interfaces();
-  }
-
-  @failingTest
-  test_class_interfaces_unresolved() async {
-    await super.test_class_interfaces_unresolved();
-  }
-
-  @failingTest
   test_class_method_abstract() async {
     await super.test_class_method_abstract();
   }