Make whitespace and formatting more consistent in testharness.js.
Make whitespace and formatting more consistent in testharness.js.

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