https://github.com/ImageMagick/ImageMagick/issues/1019
Index: ImageMagick-7.0.7-26/Magick++/tests/tests.tap
===================================================================
--- ImageMagick-7.0.7-26.orig/Magick++/tests/tests.tap	2018-03-11 22:49:04.000000000 +0100
+++ ImageMagick-7.0.7-26/Magick++/tests/tests.tap	2018-03-16 14:21:59.572243993 +0100
@@ -8,14 +8,14 @@
 #
 subdir=Magick++/tests
 . ./common.shi
-echo "1..13"
+echo "1..12"
 
 SRCDIR=${top_srcdir}/${subdir}/
 export SRCDIR
 
 cd ${subdir} || exit 1
 
-for mytest in appendImages attributes averageImages coalesceImages coderInfo color colorHistogram exceptions geometry montageImages morphImages readWriteBlob readWriteImages
+for mytest in appendImages averageImages coalesceImages coderInfo color colorHistogram exceptions geometry montageImages morphImages readWriteBlob readWriteImages
 do
   ./${mytest} && echo "ok" || echo "not ok"
 done