chore(demo/camera): add some logging for testing

Author: stakach

drivers/place/demo/camera.cr

@@ -17,6 +17,7 @@ class Place::Demo::Camera < PlaceOS::Driver
   def on_update
     @presets = setting?(Presets, :camera_presets) || @presets
     self[:presets] = @presets.keys
+    logger.error { "UPDATE ERROR OUTPUT" }
   end
 
   # ====== Powerable Interface ======
@@ -26,6 +27,7 @@ class Place::Demo::Camera < PlaceOS::Driver
   end
 
   def power?
+    logger.error { "TESTING ERROR OUTPUT" }
     case status?(Bool, :power)
     when true
       true

drivers/place/demo/camera_spec.cr

@@ -1,4 +1,6 @@
 require "placeos-driver/spec"
 
 DriverSpecs.mock_driver "Place::Demo::Camera" do
+  outp = exec(:power?).get
+  puts "EXECUTE: #{outp}"
 end