Run nRF52 BLE subscription and SoftDevice LTO regressions in CI

.github/workflows/run-unit-tests.yml

@@ -191,6 +191,14 @@ jobs:
       - name: Verify Companion Bluetooth CLI connection protection
         run: python3 -B test/test_companion_bluetooth_control.py -v
 
+      - name: Verify nRF52 SoftDevice LTO and persistent BLE subscriptions
+        env:
+          MESHCORE_REQUIRE_ARM_COMPILER: '1'
+        run: |
+          pio pkg install --global --tool 'platformio/toolchain-gccarmnoneeabi@1.140201.0'
+          python3 -B test/test_nrf52_svc_compat.py -v
+          python3 -B test/test_nrf52_ble_cccd_fix.py -v
+
       - name: Verify WiFi, ESP-NOW and combined wireless controls
         run: |
           python3 -B test/test_wireless_control.py -v

test/test_nrf52_svc_compat.py

@@ -40,6 +40,8 @@ class Nrf52SvcCompatTest(unittest.TestCase):
         cc = shutil.which("arm-none-eabi-gcc") or str(BIN / "arm-none-eabi-gcc")
         dump = shutil.which("arm-none-eabi-objdump") or str(BIN / "arm-none-eabi-objdump")
         if not Path(cc).is_file() or not Path(dump).is_file():
+            if os.environ.get("MESHCORE_REQUIRE_ARM_COMPILER") == "1":
+                self.fail("ARM compiler and objdump are required for the LTO regression")
             self.skipTest("ARM compiler required for the LTO regression")
         with tempfile.TemporaryDirectory(prefix="meshcore-svc-lto-") as temp:
             folder = Path(temp)