feat: test script to support list of texts

- To allow multiple rounds of text from CLI,
as following previous feature on continuous
streaming.

test_qwen3-tts-streaming_onnx.py

@@ -265,7 +265,13 @@ def parse_args() -> argparse.Namespace:
     p.add_argument("--audio_ref_path", default=_AUDIO_REF_PATH, help="Reference audio for voice cloning.")
     p.add_argument("--output_wav_path", default=None)
     p.add_argument("--language", default=_LANGUAGE)
-    p.add_argument("--text", default=_TEXT, help="Text to synthesise.")
+    p.add_argument(
+        "--text",
+        default=_TEXT,
+        nargs="+",
+        type=str,
+        help="List of texts to synthesize. (separate with space, put each text between quotes)"
+    )
     p.add_argument("--temperature", type=float, default=_TEMPERATURE)
     p.add_argument("--top_p", type=float, default=_TOP_P)
     p.add_argument("--top_k", type=int, default=_TOP_K)