Some unit tests for the ImageResponse class (cherry picked from commit 56cc5fd)
Some unit tests for the ImageResponse class
(cherry picked from commit 56cc5fd)

patman15/galleryplus,leftees/galleryplus,efueger/galleryplus,efueger/galleryplus,leftees/galleryplus,patman15/galleryplus,patman15/galleryplus,leftees/galleryplus