Added test for debexpo.lib.utils.parse_section.
Added test for debexpo.lib.utils.parse_section.

Signed-off-by: Jonny Lamb <54cd04502facfcf96b325c60af9b1611ee761860@jonnylamb.com>

swvist/Debexpo,jonnylamb/debexpo,jonnylamb/debexpo,jadonk/debexpo,jadonk/debexpo,jadonk/debexpo,swvist/Debexpo,swvist/Debexpo,jonnylamb/debexpo