Fix all Python DSL incompatibilities for running tests.
Fix all Python DSL incompatibilities for running tests.

Summary:
`exclude_directories` is not supported in Python DSL and does not seem
to be needed anyways.

Reviewed By: styurin

fbshipit-source-id: e773b50

facebook/buck,romanoid/buck,facebook/buck,zpao/buck,kageiit/buck,shs96c/buck,Addepar/buck,kageiit/buck,Addepar/buck,romanoid/buck,shs96c/buck,rmaz/buck,brettwooldridge/buck,SeleniumHQ/buck,Addepar/buck,brettwooldridge/buck,SeleniumHQ/buck,LegNeato/buck,shs96c/buck,SeleniumHQ/buck,LegNeato/buck,shs96c/buck,romanoid/buck,JoelMarcey/buck,shs96c/buck,romanoid/buck,LegNeato/buck,Addepar/buck,zpao/buck,Addepar/buck,rmaz/buck,shs96c/buck,nguyentruongtho/buck,SeleniumHQ/buck,nguyentruongtho/buck,romanoid/buck,LegNeato/buck,brettwooldridge/buck,brettwooldridge/buck,romanoid/buck,SeleniumHQ/buck,rmaz/buck,shs96c/buck,shs96c/buck,Addepar/buck,rmaz/buck,rmaz/buck,zpao/buck,LegNeato/buck,JoelMarcey/buck,shs96c/buck,romanoid/buck,brettwooldridge/buck,rmaz/buck,shs96c/buck,JoelMarcey/buck,JoelMarcey/buck,facebook/buck,facebook/buck,nguyentruongtho/buck,romanoid/buck,kageiit/buck,LegNeato/buck,LegNeato/buck,JoelMarcey/buck,facebook/buck,SeleniumHQ/buck,brettwooldridge/buck,brettwooldridge/buck,SeleniumHQ/buck,LegNeato/buck,SeleniumHQ/buck,facebook/buck,kageiit/buck,zpao/buck,SeleniumHQ/buck,facebook/buck,shs96c/buck,JoelMarcey/buck,romanoid/buck,rmaz/buck,SeleniumHQ/buck,kageiit/buck,rmaz/buck,romanoid/buck,JoelMarcey/buck,LegNeato/buck,LegNeato/buck,LegNeato/buck,Addepar/buck,kageiit/buck,JoelMarcey/buck,brettwooldridge/buck,shs96c/buck,zpao/buck,brettwooldridge/buck,Addepar/buck,SeleniumHQ/buck,LegNeato/buck,zpao/buck,SeleniumHQ/buck,brettwooldridge/buck,nguyentruongtho/buck,LegNeato/buck,JoelMarcey/buck,Addepar/buck,brettwooldridge/buck,zpao/buck,Addepar/buck,brettwooldridge/buck,JoelMarcey/buck,rmaz/buck,JoelMarcey/buck,brettwooldridge/buck,Addepar/buck,kageiit/buck,shs96c/buck,nguyentruongtho/buck,JoelMarcey/buck,romanoid/buck,romanoid/buck,rmaz/buck,Addepar/buck,romanoid/buck,nguyentruongtho/buck,JoelMarcey/buck,nguyentruongtho/buck,rmaz/buck,rmaz/buck,SeleniumHQ/buck,rmaz/buck,Addepar/buck