Merged ISM metadata test files in testv folder

// 4 ISM with extended metadata at 256 kbps, 48 kHz in, 48 kHz out, BINAURAL out, head rotation, directivity configuration, random FEC at 5%

../IVAS_cod -ism +4 testv/stvISM+1.csv testv/stvISM+2.csv testv/stvISM+3.csv testv/stvISM+4.csv 256000 48 testv/stv4ISM48s.wav bit

../IVAS_cod -ism +4 testv/stvISM1.csv testv/stvISM2.csv testv/stvISM3.csv testv/stvISM4.csv 256000 48 testv/stv4ISM48s.wav bit

../IVAS_dec -fec 5 -render_config testv/config_directivity.cfg -t testv/headrot_case04_3000_q.csv BINAURAL 48 bit testv/stv+4ISM48s.wav_256000_48-48_binaural_file_TDHR_DirConfig_FEC5.tst

// 4 ISM with and without extended metadata bitrate switching from 24.4 kbps to 256 kbps, 48 kHz in, 48 kHz out, DTX on, BINAURAL out

../IVAS_cod -dtx -ism +4 testv/stvISM+1.csv NULL testv/stvISM+3.csv testv/stvISM+4.csv ../scripts/switchPaths/sw_24k4_256k.bin 48 testv/stv4ISM48s.wav bit

../IVAS_cod -dtx -ism +4 testv/stvISM1.csv NULL testv/stvISM3.csv testv/stvISM4.csv ../scripts/switchPaths/sw_24k4_256k.bin 48 testv/stv4ISM48s.wav bit

../IVAS_dec BINAURAL 48 bit testv/stv+4ISM48s.wav_brate_sw_48-48_DTX_binaural.tst