Fix create_files
Fix create_files

- Actually return the values that it says it will

- Handle there not being any test/files

shastings517/conda-build,ilastik/conda-build,takluyver/conda-build,mwcraig/conda-build,takluyver/conda-build,frol/conda-build,sandhujasmine/conda-build,ilastik/conda-build,takluyver/conda-build,dan-blanchard/conda-build,shastings517/conda-build,rmcgibbo/conda-build,frol/conda-build,mwcraig/conda-build,sandhujasmine/conda-build,sandhujasmine/conda-build,shastings517/conda-build,mwcraig/conda-build,frol/conda-build,dan-blanchard/conda-build,rmcgibbo/conda-build,dan-blanchard/conda-build,rmcgibbo/conda-build,ilastik/conda-build