Update unittests

Author: Kanchalai Tanglertsampan

src/harness/unittests/compileOnSave.ts

@@ -520,7 +520,7 @@ namespace ts.projectSystem {
 
             const expectedEmittedFileName = "/a/b/f1.js";
             assert.isTrue(host.fileExists(expectedEmittedFileName));
-            assert.equal(host.readFile(expectedEmittedFileName), `"use strict";\r\nfunction Foo() { return 10; }\r\nexports.Foo = Foo;\r\nexports.__esModule = true;\r\n`);
+            assert.equal(host.readFile(expectedEmittedFileName), `"use strict";\r\nexports.__esModule = true;\r\nfunction Foo() { return 10; }\r\nexports.Foo = Foo;\r\n`);
         });
 
         it("shoud not emit js files in external projects", () => {