Check in codegen test expectations.

test/codegen/expect/language/setter_no_getter_test_01_multi.js

Index: test/codegen/expect/language/setter_no_getter_test_01_multi.js
diff --git a/test/codegen/expect/language/setter_no_getter_test_01_multi.js b/test/codegen/expect/language/setter_no_getter_test_01_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..8a709864f2c0313167c7383b9027d4345960936b
--- /dev/null
+++ b/test/codegen/expect/language/setter_no_getter_test_01_multi.js
@@ -0,0 +1,25 @@
+dart_library.library('language/setter_no_getter_test_01_multi', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__setter_no_getter_test_01_multi(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const setter_no_getter_test_01_multi = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  dart.copyProperties(setter_no_getter_test_01_multi, {
+    set topLevel(value) {}
+  });
+  setter_no_getter_test_01_multi.main = function() {
+    expect$.Expect.equals(42, (() => {
+      let x = setter_no_getter_test_01_multi.topLevel;
+      setter_no_getter_test_01_multi.topLevel = dart.dsend(x, '+', 1);
+      return x;
+    })());
+  };
+  dart.fn(setter_no_getter_test_01_multi.main, VoidTodynamic());
+  // Exports:
+  exports.setter_no_getter_test_01_multi = setter_no_getter_test_01_multi;
+});