Ignore bundles for which no test suites have been defined.
Used to support development of framework layer (don't
stall the test runner just because some bundle does not
have defined tests yet), WTD-518.
Don't request json as an XHR response type, as this
is not supported by Phantom for command line test
execution. Part of ongoing intitial repository and
build setup for WTD-519.
Add clarifying comments to temporary files, to
ensure they are distinguishable as placeholders.
Part of developing project folder structure and
build for WTD-519.