Update test_config.py

Add check to functionality of __str__ (not really required only for coverage purpose ;))
Update test_config.py

Fix the indentation messed by github
Update test_config.py

Wrong way of checking for none fixed
assets: jquery should be loaded first before bootstrap and jquery.ime

Both depends on jquery
Without it, they throw js errors
Merge branch 'development' of github.com:Project-SILPA/Silpa-Flask into development