Fix nRF52 console mocks and cover framework logging in CI

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

@@ -815,6 +815,7 @@ jobs:
         run: |
           python3 -B test/test_common_usb_debug.py
           python3 -B test/test_companion_usb_logging.py
+          python3 -B test/test_nrf52_framework_logging.py
           python3 -B test/test_usb_logging_watchdog.py
           python3 -B test/test_usb_watchdog_event.py
           python3 -B test/test_usb_logging_client_activity.py

test/fixtures/nrf52_usb_console/mocks/Arduino.h

@@ -6,6 +6,8 @@
 #pragma GCC diagnostic pop
 #include <cassert>
 
+inline bool isInISR() { return false; }
+
 uint32_t tud_cdc_n_write_available(uint8_t instance);
 class MockSerial : public Stream {
  public: