Add AudioLoudnessMock

Author: adazem009

test/mocks/audioloudnessmock.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <audio/iaudioloudness.h>
+#include <gmock/gmock.h>
+
+using namespace libscratchcpp;
+
+class AudioLoudnessMock : public IAudioLoudness
+{
+    public:
+        MOCK_METHOD(int, getLoudness, (), (const, override));
+};