tests/bsim audio mcs_mcc: Increase realtime timeout

This test has been seen failing in older slower computers
due to timeouts, let's increase the timeout so we don't
break in those cases.
Note this timeout is just a safety to eventually kill
hung simulations even if nobody presses Ctrl+C.

Signed-off-by: Alberto Escolar Piedras <[email protected]>
(cherry picked from commit e9c8856)
Signed-off-by: Alberto Escolar Piedras <[email protected]>

Author: aescolar

tests/bsim/bluetooth/audio/test_scripts/mcs_mcc.sh

@@ -8,7 +8,7 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 SIMULATION_ID="mcs_mcc"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=20
+EXECUTE_TIMEOUT=50
 
 cd ${BSIM_OUT_PATH}/bin