Update expectations.

pkg/front_end/testcases/inference/future_union_downwards_generic_method_with_future_return.dart.direct.expect

Index: pkg/front_end/testcases/inference/future_union_downwards_generic_method_with_future_return.dart.direct.expect
diff --git a/pkg/front_end/testcases/inference/future_union_downwards_generic_method_with_future_return.dart.direct.expect b/pkg/front_end/testcases/inference/future_union_downwards_generic_method_with_future_return.dart.direct.expect
new file mode 100644
index 0000000000000000000000000000000000000000..b81bb5e4d1929a6c7da167ceaa776c09dca68ed9
--- /dev/null
+++ b/pkg/front_end/testcases/inference/future_union_downwards_generic_method_with_future_return.dart.direct.expect
@@ -0,0 +1,16 @@
+library test;
+import self as self;
+import "dart:core" as core;
+import "dart:async" as asy;
+
+class A extends core::Object {
+  default constructor •() → void
+    : super core::Object::•()
+    ;
+}
+static method foo() → dynamic async {
+  asy::Future<core::List<self::A>> f1 = null;
+  asy::Future<core::List<self::A>> f2 = null;
+  core::List<core::List<self::A>> merged = await asy::Future::wait<dynamic>(<dynamic>[f1, f2]);
+}
+static method main() → dynamic {}