Check in codegen test expectations.

test/codegen/expect/language/mixin_field_initializer_test.js

Index: test/codegen/expect/language/mixin_field_initializer_test.js
diff --git a/test/codegen/expect/language/mixin_field_initializer_test.js b/test/codegen/expect/language/mixin_field_initializer_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..1c0f5dbd09e778c3442890e30c1ba8c95d5ea5fb
--- /dev/null
+++ b/test/codegen/expect/language/mixin_field_initializer_test.js
@@ -0,0 +1,58 @@
+dart_library.library('language/mixin_field_initializer_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__mixin_field_initializer_test(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 mixin_field_initializer_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  mixin_field_initializer_test.S = class S extends core.Object {
+    new() {
+      this.s1 = mixin_field_initializer_test.S.good_stuff();
+    }
+    static good_stuff() {
+      return "Speyburn";
+    }
+  };
+  dart.setSignature(mixin_field_initializer_test.S, {
+    statics: () => ({good_stuff: dart.definiteFunctionType(dart.dynamic, [])}),
+    names: ['good_stuff']
+  });
+  mixin_field_initializer_test.good_stuff = function() {
+    return "Glenfiddich";
+  };
+  dart.fn(mixin_field_initializer_test.good_stuff, VoidTodynamic());
+  mixin_field_initializer_test.M = class M extends core.Object {
+    new() {
+      this.m1 = mixin_field_initializer_test.M.good_stuff();
+    }
+    static good_stuff() {
+      return "Macallen";
+    }
+  };
+  dart.setSignature(mixin_field_initializer_test.M, {
+    statics: () => ({good_stuff: dart.definiteFunctionType(dart.dynamic, [])}),
+    names: ['good_stuff']
+  });
+  mixin_field_initializer_test.A = class A extends dart.mixin(mixin_field_initializer_test.S, mixin_field_initializer_test.M) {
+    new() {
+      super.new();
+    }
+    static good_stuff() {
+      return "Ardberg";
+    }
+  };
+  mixin_field_initializer_test.main = function() {
+    let a = new mixin_field_initializer_test.A();
+    expect$.Expect.equals("Macallen", a.m1);
+    expect$.Expect.equals("Speyburn", a.s1);
+    let m = new mixin_field_initializer_test.M();
+    expect$.Expect.equals("Macallen", m.m1);
+  };
+  dart.fn(mixin_field_initializer_test.main, VoidTodynamic());
+  // Exports:
+  exports.mixin_field_initializer_test = mixin_field_initializer_test;
+});