Look for dart-sdk in two places.

pkg/analyzer-experimental/test/generated/resolver_test.dart

Index: pkg/analyzer-experimental/test/generated/resolver_test.dart
diff --git a/pkg/analyzer-experimental/test/generated/resolver_test.dart b/pkg/analyzer-experimental/test/generated/resolver_test.dart
index 3567e4c3742b0aa93108321dcb173799aa1505ff..a11c3d5535b40b8b3d232b31cd7384f522f9102c 100644
--- a/pkg/analyzer-experimental/test/generated/resolver_test.dart
+++ b/pkg/analyzer-experimental/test/generated/resolver_test.dart
@@ -5113,7 +5113,7 @@ class SimpleResolverTest extends ResolverTestCase {
   }
 }
 main() {
-  /*ElementResolverTest.dartSuite();
+  ElementResolverTest.dartSuite();
   LibraryElementBuilderTest.dartSuite();
   LibraryTest.dartSuite();
   StaticTypeAnalyzerTest.dartSuite();
@@ -5127,5 +5127,5 @@ main() {
   ErrorResolverTest.dartSuite();
   SimpleResolverTest.dartSuite();
   StaticTypeWarningCodeTest.dartSuite();
-  StaticWarningCodeTest.dartSuite();*/
+  StaticWarningCodeTest.dartSuite();
 }