testsuite: Add assertions that way lists are in fact lists
Previously there were a few cases where operations like omit_ways
were incorrectly passed a single way (e.g. omit_ways('threaded2')
).
This won't work as the author expected.
Previously there were a few cases where operations like omit_ways
were incorrectly passed a single way (e.g. omit_ways('threaded2')
).
This won't work as the author expected.