test(hadiths): Move test database settings to settings.py
test(hadiths): Move test database settings to settings.py

Since this is a common settings, it is easier if we just put it in
settings.py so we don't have to add it to all web servers.

hadithhouse/hadithhouse,rafidka/hadithhouse,rafidka/hadithhouse,hadithhouse/hadithhouse,hadithhouse/hadithhouse,hadithhouse/hadithhouse,rafidka/hadithhouse,hadithhouse/hadithhouse,hadithhouse/hadithhouse,rafidka/hadithhouse,rafidka/hadithhouse,rafidka/hadithhouse