Add regression test
Add regression test

SaschaNaz/TypeScript,SaschaNaz/TypeScript,SaschaNaz/TypeScript,Microsoft/TypeScript,microsoft/TypeScript,RyanCavanaugh/TypeScript,Microsoft/TypeScript,alexeagle/TypeScript,minestarks/TypeScript,nojvek/TypeScript,minestarks/TypeScript,minestarks/TypeScript,nojvek/TypeScript,microsoft/TypeScript,kitsonk/TypeScript,RyanCavanaugh/TypeScript,kpreisser/TypeScript,nojvek/TypeScript,kitsonk/TypeScript,RyanCavanaugh/TypeScript,kpreisser/TypeScript,kitsonk/TypeScript,alexeagle/TypeScript,Microsoft/TypeScript,weswigham/TypeScript,SaschaNaz/TypeScript,weswigham/TypeScript,weswigham/TypeScript,alexeagle/TypeScript,nojvek/TypeScript,kpreisser/TypeScript,microsoft/TypeScript