Comment 2 for bug 826060

StacktraceTop:
 g_test_log_extract (tbuffer=0x7f8393526ec0) at /build/buildd/glib2.0-2.29.16/./glib/gtestutils.c:2014
 g_test_log_buffer_push (tbuffer=0x7f8393526ec0, n_bytes=<optimized out>, bytes=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gtestutils.c:2077
 ?? () from /tmp/tmp2pPN0k/usr/lib/libgtk-3.so.0
 gtk_tree_view_accessible_ref_child (obj=0x7f838f4797a2, i=3904) at /build/buildd/gtk+3.0-3.1.12/./gtk/a11y/gtktreeviewaccessible.c:609
 g_markup_collect_attributes (element_name=0x7f8392a20bb0 "\a", attribute_names=<optimized out>, attribute_values=0x7f8390c9d1dd, error=0x7f83933ea330, first_type=32643, first_attr=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmarkup.c:2671