Remove the test options suppressing ignoring differences in whitespace
outputted in the XML to allow capturing of issues where the code
incorrectly adds or removes significant whitespace.
Add a helper function to deal with the edge case of parsing XML directly
that contains non significant whitespace to avoid accidentally adding
excess whitespace when minidom outputs the resulting document.
Change-Id: I9936042cd82c204ba2b3c19f575703e33564f7fd
Replace hard-coded inject example with a literal include. Extend the
example to show how to pass two environment variables.
Add test fixtures for the keep-system-variables and keep-build-variables
parameters.
Change-Id: Ie3b5af2c38f8dde5ff739b9f6b213c1e94387aca
Darragh Bailey