[gdk-pixbuf] tests: Add a bunch of failing TGA images

[Benjamin Otte <otte src gnome org>]

commit b0ec540672051e948ded166fb41a9766c1ddcfdc
Author: Benjamin Otte <otte redhat com>
Date:   Mon Oct 12 16:01:27 2015 +0200

    tests: Add a bunch of failing TGA images
    
    They exploit a bunch of bugs I encountered while redoing the TGA loader.

 tests/test-images/fail/DoS.tga                     |  Bin 0 -> 35 bytes
 .../fail/colormap-image-without-colormap.tga       |  Bin 0 -> 3196 bytes
 tests/test-images/fail/overflow.tga                |  Bin 0 -> 69 bytes
 3 files changed, 0 insertions(+), 0 deletions(-)
---
diff --git a/tests/test-images/fail/DoS.tga b/tests/test-images/fail/DoS.tga
new file mode 100644
index 0000000..2391f71
Binary files /dev/null and b/tests/test-images/fail/DoS.tga differ
diff --git a/tests/test-images/fail/colormap-image-without-colormap.tga 
b/tests/test-images/fail/colormap-image-without-colormap.tga
new file mode 100644
index 0000000..1febec4
Binary files /dev/null and b/tests/test-images/fail/colormap-image-without-colormap.tga differ
diff --git a/tests/test-images/fail/empty-file.tga b/tests/test-images/fail/empty-file.tga
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test-images/fail/overflow.tga b/tests/test-images/fail/overflow.tga
new file mode 100644
index 0000000..ab7a81f
Binary files /dev/null and b/tests/test-images/fail/overflow.tga differ