Add DownloaderFactoryMock

Author: adazem009

test/mocks/downloaderfactorymock.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <internal/idownloaderfactory.h>
+#include <gmock/gmock.h>
+
+using namespace libscratchcpp;
+
+class DownloaderFactoryMock : public IDownloaderFactory
+{
+    public:
+        MOCK_METHOD(std::shared_ptr<IDownloader>, create, (), (const, override));
+};