add freeimage test

test/freeimage.cpp

@@ -0,0 +1,14 @@
+#include <FreeImage.h>
+
+int main()
+{
+    FreeImage_Initialise(0);
+
+    FIBITMAP* bitmap = FreeImage_Allocate(64, 64, 32);
+    AEDI_EXPECT(bitmap != nullptr);
+
+    AEDI_EXPECT(FreeImage_HasPixels(bitmap) == TRUE);
+    FreeImage_Unload(bitmap);
+
+    FreeImage_DeInitialise();
+}