Add dynamic backend load smoke test

tests/gtest/dynamic_render_backend_test.cpp

@@ -0,0 +1,14 @@
+#include <gtest/gtest.h>
+
+#include "render/backend/dynamicrenderer.h"
+
+TEST(DynamicRenderBackend, LoadsExperimentalOpenGLBackend)
+{
+#ifndef OAK_ENABLE_DYNAMIC_RENDER_BACKEND
+	GTEST_SKIP() << "Dynamic render backend is not enabled in this build";
+#else
+	olive::DynamicRenderer renderer(QStringLiteral("opengl"));
+	ASSERT_TRUE(renderer.Load());
+	EXPECT_EQ(renderer.OpenGLContext(), nullptr);
+#endif
+}