skip new generic method test if task model is not on

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 fd4bf271ec6de5f1e9df7ac5692319fe93b1c126..7c6becec92feec3e38b318e920735725e0697e53 100644
--- a/pkg/analyzer/test/generated/resolver_test.dart
+++ b/pkg/analyzer/test/generated/resolver_test.dart
@@ -12219,6 +12219,9 @@ main() {
   }
 
   void test_genericMethod_functionTypedParameter() {
+    if (!AnalysisEngine.instance.useTaskModel) {
+      return;
+    }
     _resolveTestUnit(r'''
 class C<E> {
   List/*<T>*/ f/*<T>*/(/*=T*/ f(E e)) => null;