Update self_test to inclue extended metadata cases

../IVAS_dec HOA3 48 bit testv/stv4ISM48s.wav_brate_sw_48-48_DTX_hoa3.tst

// 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_dec -fec 5 -render_config testv/config_directivity.cfg -t testv/headrot_case+03_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_dec BINAURAL 48 bit testv/stv+4ISM48s.wav_brate_sw_48-48_DTX_binaural.tst

// SBA at 13.2 kbps, 32kHz in, 32kHz out, HOA3 out

../IVAS_cod -sba 3 13200 32 testv/stv3OA32c.wav bit

../IVAS_dec HOA3 32 bit testv/stv3OA32c.wav_SBA_13200_32-32_HOA3.tst

        "5_1_4": "5_1_4",

        "7_1_4": "7_1_4",

    },

    "-ISM": {"1": "ISM1", "2": "ISM2", "3": "ISM3", "4": "ISM4"},

    "-ISM": {"1": "ISM1", "2": "ISM2", "3": "ISM3", "4": "ISM4", "+4": "ISM+4"},

    "-SBA": {

        "-3": "HOA3",

        "3": "HOA3",

[general]

directivity = [0.0, 360.0, 0.2512];