Clean-up mod test case

[andy840119]

Implement missing mod's test case.
KaraokeModAutoplay :

• Should be tested but seem has some issue in test case's timing.

KaraokeModDisableNote :

• Add a test to create playfield and check no notes in playfield.

KaraokeModFlashlight :

• Check flashlight's position if scrolling position changed.
• Left, right, left to right, right to left.

KaraokeModHiddenNote :

• Check hidden note's time, maybe just follow how TestSceneOsuModHidden works.

KaraokeModNoFail :

• Maybe will have official test case so ignore it now.

KaraokeModPerfect :

• Just follow how TestSceneOsuModPerfect works.

KaraokeModPractice :

• Test if plactice and playback overlay is exist >_>

KaraokeModSnow and KaraokeModWindowsUpdate

• Will be merged into TestSceneKaraokeModFun and just test for fun.

KaraokeModSuddenDeath :

• Maybe will have official test case so ignore it now.

[andy840119]

Anything related pr can be mention in here, this issue will be closed until all issue has been solved