Make the document with testharness.js included the default for output
Make the document with testharness.js included the default for output

--HG--
extra : rebase_source : de3fb5e4abe770c8a44b06f7f0c583a12eb196bd

zqzhang/testharness.js,RatneshThakur/testharness.js,jyasskin/testharness.js,ayg/testharness.js,jyasskin/testharness.js,hallvors/testharness.js,hallvors/testharness.js,bboyle/testharness.js