Add another mixed-case test
Add another mixed-case test

This time using correct to change the input to lowercase before
actually translating it. This has the desired effect of making
liblouis ignore any capitalization.

liblouis/liblouis,BueVest/liblouis,liblouis/liblouis,BueVest/liblouis,liblouis/liblouis,liblouis/liblouis,BueVest/liblouis,BueVest/liblouis,hammera/liblouis,BueVest/liblouis,hammera/liblouis,liblouis/liblouis,liblouis/liblouis,hammera/liblouis,hammera/liblouis,BueVest/liblouis,hammera/liblouis,hammera/liblouis