Fix: Instability of the gstreamer ST30P TX tests

RX has to be launched before TX, otherwise some frames can be dropped

Signed-off-by: Kasiewicz, Marek <[email protected]>

tests/validation/tests/Engine/GstreamerApp.py

@@ -5,6 +5,7 @@
 import os
 
 from tests.Engine.execute import call, log_fail, log_info, wait
+import time
 
 
 def create_connection_params(
@@ -223,8 +224,9 @@ def execute_test(
     fps: int = None,
 ):
 
-    tx_process = call(" ".join(tx_command), cwd=build, timeout=120)
-    rx_process = call(" ".join(rx_command), cwd=build, timeout=120)
+    rx_process = call(" ".join(rx_command), cwd=build, timeout=180)
+    time.sleep(1)
+    tx_process = call(" ".join(tx_command), cwd=build, timeout=180)
 
     tx_output = wait(tx_process)
     wait(rx_process)