[gdk-pixbuf] tests: Move back invalid images that successfully load

[Benjamin Otte <otte src gnome org>]

commit a094ce2b54620bd585b8aa892d67b6c6ab576366
Author: Benjamin Otte <otte redhat com>
Date:   Mon Oct 12 15:36:29 2015 +0200

    tests: Move back invalid images that successfully load
    
    I have no idea if they *should* load, but they do.

 .../{fail => randomly-modified}/invalid.1.xpm      |    0
 .../{fail => randomly-modified}/invalid.2.ico      |  Bin 318 -> 318 bytes
 .../{fail => randomly-modified}/invalid.4.ppm      |    0
 3 files changed, 0 insertions(+), 0 deletions(-)
---
diff --git a/tests/test-images/fail/invalid.1.xpm b/tests/test-images/randomly-modified/invalid.1.xpm
similarity index 100%
rename from tests/test-images/fail/invalid.1.xpm
rename to tests/test-images/randomly-modified/invalid.1.xpm
diff --git a/tests/test-images/fail/invalid.4.ppm b/tests/test-images/randomly-modified/invalid.4.ppm
similarity index 100%
rename from tests/test-images/fail/invalid.4.ppm
rename to tests/test-images/randomly-modified/invalid.4.ppm