diff --git a/code/wbstream_poc_datachannel.py b/code/wbstream_poc_datachannel.py
index fd6ef0b..3428fc7 100755
--- a/code/wbstream_poc_datachannel.py
+++ b/code/wbstream_poc_datachannel.py
@@ -17,7 +17,8 @@ logging.getLogger("livekit").setLevel(logging.WARNING)
 API_BASE = "https://stream.wb.ru"
 WS_URL = "wss://rtc-el-01.wb.ru"
 HARDCODED_ROOM_ID = "019e23c2-a580-7550-b08a-7ac5342ca21f"
-TEST_MESSAGES = ["Hello WB Stream!", "Hello world", "X" * 100, "Final test"]
+TEST_ATTEMPTS = 60
+TEST_MESSAGES = [f"WB Stream DataChannel attempt {idx:02d}" for idx in range(1, TEST_ATTEMPTS + 1)]
 
 def _get_room_token(room_id: str, display_name: str) -> tuple[str, str]:
     """Retrieves the room token via the guest API."""
diff --git a/code/wbstream_poc_videochannel.py b/code/wbstream_poc_videochannel.py
index 5f0326d..5efafa7 100755
--- a/code/wbstream_poc_videochannel.py
+++ b/code/wbstream_poc_videochannel.py
@@ -20,7 +20,8 @@ API_BASE = "https://stream.wb.ru"
 WS_URL = "wss://wbstream01-el.wb.ru:7880"
 HARDCODED_ROOM_ID = "019e23c2-a580-7550-b08a-7ac5342ca21f"
 FPS = 10
-TEST_MESSAGES = ["Hello WB Stream via Video!", "Packed JSON payload test.", "X" * 200, "Final VideoChannel test"]
+TEST_ATTEMPTS = 60
+TEST_MESSAGES = [f"WB Stream VideoChannel attempt {idx:02d}" for idx in range(1, TEST_ATTEMPTS + 1)]
 
 
 def _encode(text: str) -> np.ndarray: