fixed mock arduino

test/Arduino.cpp

@@ -0,0 +1,7 @@
+#include "Arduino.h"
+
+unsigned long _millis = 0;
+ 
+unsigned long millis() { return _millis; }
+
+void delay( unsigned long ms ) { _millis += ms; }

test/Arduino.h

@@ -0,0 +1,6 @@
+#pragma once
+
+
+unsigned long millis();
+
+void delay(unsigned long);