Add SoundMock

Author: adazem009

test/mocks/soundmock.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <scratchcpp/sound.h>
+#include <gmock/gmock.h>
+
+using namespace libscratchcpp;
+
+class SoundMock : public Sound
+{
+    public:
+        MOCK_METHOD(void, setVolume, (double), (override));
+        MOCK_METHOD(void, setEffect, (Sound::Effect, double), (override));
+
+        MOCK_METHOD(void, start, (), (override));
+        MOCK_METHOD(void, stop, (), (override));
+        MOCK_METHOD(bool, isPlaying, (), (const, override));
+};