Remove JavaIterator and MapEntry

pkg/analyzer/test/generated/resolver_test.dart

Index: pkg/analyzer/test/generated/resolver_test.dart
diff --git a/pkg/analyzer/test/generated/resolver_test.dart b/pkg/analyzer/test/generated/resolver_test.dart
index a11bf523740798a06d89efd213d0a9761840cac7..963c3391bae9494f3dcc500999c269e9129a51ec 100644
--- a/pkg/analyzer/test/generated/resolver_test.dart
+++ b/pkg/analyzer/test/generated/resolver_test.dart
@@ -8298,9 +8298,9 @@ class StaticTypeAnalyzerTest extends EngineTestCase {
       EngineTestCase.assertSizeOfMap(0, namedTypes);
     } else {
       EngineTestCase.assertSizeOfMap(expectedNamedTypes.length, namedTypes);
-      for (MapEntry<String, DartType> entry in getMapEntrySet(expectedNamedTypes)) {
-        JUnitTestCase.assertSame(entry.getValue(), namedTypes[entry.getKey()]);
-      }
+      expectedNamedTypes.forEach((String name, DartType type) {
+        JUnitTestCase.assertSame(type, namedTypes[name]);
+      });
     }
     JUnitTestCase.assertSame(expectedReturnType, functionType.returnType);
   }