Update core player conditional compiling in tests

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Update module type in core player tests

Core player doesn't care too much about format type details, so it
stamps a simpler string with less information.

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Remove unused test data

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>