refactor: renamed test directory

res/roms/test/blargg/cgb_sound/cgb_sound.gb

res/roms/test/blargg/cpu/01-special.gb

res/roms/test/blargg/cpu/02-interrupts.gb

res/roms/test/blargg/cpu/03-op sp,hl.gb

res/roms/test/blargg/cpu/04-op r,imm.gb

res/roms/test/blargg/cpu/05-op rp.gb

res/roms/test/blargg/cpu/06-ld r,r.gb

res/roms/test/blargg/cpu/07-jr,jp,call,ret,rst.gb

res/roms/test/blargg/cpu/08-misc instrs.gb

res/roms/test/blargg/cpu/09-op r,r.gb

res/roms/test/blargg/cpu/10-bit ops.gb

res/roms/test/blargg/cpu/11-op a,(hl).gb

res/roms/test/blargg/cpu/cpu_instrs.gb

res/roms/test/blargg/dmg_sound/dmg_sound.gb

res/roms/test/blargg/halt_bug/halt_bug.gb

res/roms/test/blargg/instr_timing/instr_timing.gb

res/roms/test/blargg/interrupt_time/interrupt_time.gb

res/roms/test/blargg/mem_timing-2/mem_timing.gb

res/roms/test/blargg/mem_timing/mem_timing.gb

res/roms/test/blargg/oam_bug/oam_bug.gb