GATT/SR/GAS/BV-01-C fails in Zephyr regression depending on execution moment

[aescolar]

GATT/SR/GAS/BV-01-C is /has been failing in Zephyr CI
It started failing after a minor timing change, and can be fixes by reordering the tests lists.
This may be an indication of the test being too time sensitive, or something else.

Related:
See zephyrproject-rtos/zephyr#70380