samples: firmware_loader_entrance: Enable testing in CI

Changed harness for twister to enable running that sample
on integration CI.

Signed-off-by: Grzegorz Chwierut <[email protected]>

Author: gchwier

.github/test-spec.yml

@@ -146,6 +146,7 @@
   - "samples/zephyr/smp_svr_mini_boot/**/*"
   - "samples/zephyr/subsys/mgmt/mcumgr/smp_svr/**/*"
   - "scripts/bootloader/**/*"
+  - "samples/mcuboot/**/*"
   - "scripts/nrf_compress/**/*"
   - "scripts/west_commands/ncs*"
   - "subsys/bootloader/**/*"
@@ -173,6 +174,7 @@
   - "samples/nrf5340/netboot/**/*"
   - "samples/nrf5340/extxip_smp_svr/**/*"
   - "samples/bootloader/**/*"
+  - "samples/mcuboot/**/*"
   - "scripts/bootloader/**/*"
   - "scripts/nrf_compress/**/*"
   - "scripts/west_commands/ncs*"

samples/mcuboot/firmware_loader_entrance/sample.yaml

@@ -3,10 +3,13 @@ sample:
   description: Demo application for entering the firmware loader application
 common:
   sysbuild: true
-  build_only: true
 tests:
   sample.mcuboot.firmware_loader_entrance:
-    harness: bluetooth
+    harness: console
+    harness_config:
+      type: multi_line
+      regex:
+        - "Advertising successfully started"
     tags: bluetooth
     platform_allow:
       - nrf52840dk/nrf52840