[test] Fix S3M bpm setting test

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Fix S3M bpm setting

Scream Tracker III ignores effect T (BPM setting) if the parameter is
lower than 0x20. (Impulse tracker uses these values as tempo sliding.)

See farewell.s3m as an example of S3M file using IT effect T parameters.
We'll ignore that and play it like ST3. Reported by Kyu S.

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Don't trust our Noisetracker detection to filter events

MOD.Data City Remix is a module with a Noisetracker '0x78' restart
byte, but contains Protracker effects. The reason to honor Noisetracker
events in Noisetracker modules (i.e. excluding any non-Noisetracker
effects) is to prevent problems caused by demo sync information added
by Mahoney in certain mods, but we'll have to add these as quirks as
they appear.

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

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