Add dynamic file open test
Add dynamic file open test

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