[nrf noup] test-spec: extend low-level scope

Add more samples for verification.

Signed-off-by: Piotr Kosycarz <[email protected]>

.github/test-spec.yml

@@ -300,6 +300,7 @@
   - "tests/kernel/**/*"
   - "kernel/**/*"
   - "tests/drivers/**/*"
+  - "tests/boards/nrf/**/*"
   - "drivers/**/*"
   - "samples/subsys/settings/**/*"
   - "subsys/settings/**/*"
@@ -308,5 +309,15 @@
   - "samples/sensor/**/*"
   - "samples/hello_world/**/*"
   - "samples/synchronization/**/*"
+  - "samples/subsys/ipc/**/*"
+  - "samples/drivers/mbox/**/*"
   - "samples/drivers/watchdog/**/*"
+  - "samples/drivers/soc_flash_nrf/**/*"
+  - "samples/drivers/jesd216/**/*"
+  - "samples/drivers/spi_flash/**/*"
+  - "samples/drivers/adc/**/*"
+  - "samples/basic/fade_led/**/*"
+  - "samples/basic/blinky_pwm/**/*"
+  - "samples/subsys/usb/mass/**/*"
+  - "samples/subsys/usb/cdc_acm/**/*"
   - "modules/hal_nordic/**/*"