Added a test which demonstrates a current bug where
if multiple TODOs with the same title appear in
the diff of the same file, only one of those issues
will have its URL succesfully inserted.
(Specifically, the first from the top.) As such,
the test is configured as an expected failure until
such time as the bug can be fixed.
The diff file has a couple of hunks which for
some unknown reason have parsing issues which
result in the wrong line being detected for where
the TODO is. This causes the issue URL insertion
to fail. That's its own issue that should be
investigated, but in order to allow the process_diff
unit test to pass, the diff file is being split
into two to isolate the trouble-causing hunks.
Insertion of the URL is different from simply
creating/updating the issue, so we want to have
this level of output to ensure that as many
file updates as expected are actually occurring.
Note: The unit test is currently failing!
Reads the diff file to generate a simulated
filesystem, inserts the URL comments into these
new files, and then parses the output to confirms
that all of the issues that were expected to be
created were created.
