Check in codegen test expectations.

test/codegen/expect/language/argument_definition_test_none_multi.js

Index: test/codegen/expect/language/argument_definition_test_none_multi.js
diff --git a/test/codegen/expect/language/argument_definition_test_none_multi.js b/test/codegen/expect/language/argument_definition_test_none_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..e48f52e9d4a54d749ee5d0d3f09c6bf7745e6cdf
--- /dev/null
+++ b/test/codegen/expect/language/argument_definition_test_none_multi.js
@@ -0,0 +1,25 @@
+dart_library.library('language/argument_definition_test_none_multi', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__argument_definition_test_none_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 argument_definition_test_none_multi = Object.create(null);
+  let dynamic__Toint = () => (dynamic__Toint = dart.constFn(dart.definiteFunctionType(core.int, [dart.dynamic], {b: dart.dynamic, c: dart.dynamic})))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  argument_definition_test_none_multi.test = function(a, opts) {
+    let b = opts && 'b' in opts ? opts.b : null;
+    let c = opts && 'c' in opts ? opts.c : null;
+    return core.int._check(dart.dsend(dart.dsend(a, '+', b), '+', c));
+  };
+  dart.fn(argument_definition_test_none_multi.test, dynamic__Toint());
+  argument_definition_test_none_multi.main = function() {
+    expect$.Expect.equals(6, argument_definition_test_none_multi.test(1, {b: 2, c: 3}));
+  };
+  dart.fn(argument_definition_test_none_multi.main, VoidTodynamic());
+  // Exports:
+  exports.argument_definition_test_none_multi = argument_definition_test_none_multi;
+});