sci-electronics/pcb: Fix testsuite.

Do not count skipped tests as failed.
Closes: https://bugs.gentoo.org/642366
Package-Manager: Portage-2.3.19, Repoman-2.3.6

sci-electronics/pcb/files/pcb-4.0.2-tests.diff

@@ -0,0 +1,14 @@
+# Do not count skipped tests as failed (bug #642366)
+--- tests/run_tests.sh.orig	2017-12-28 16:40:57.657366187 +0100
++++ tests/run_tests.sh	2017-12-28 16:42:57.183392063 +0100
+@@ -842,8 +842,9 @@
+ show_sep
+ echo "Passed $pass, failed $fail, skipped $skip out of $tot tests."
+ 
++sum=`expr $skip + $pass`
+ rc=0
+-if test $pass -ne $tot ; then
++if test $sum -ne $tot ; then
+     rc=1
+ fi
+ 

sci-electronics/pcb/pcb-4.0.2.ebuild

@@ -77,6 +77,8 @@ src_prepare() {
 		if ! use gcode; then
 			sed -i '/^hid_gcode/d' tests/tests.list || die
 		fi
+		# fix wrong accounting of skipped and passed tests
+		epatch "${FILESDIR}"/${P}-tests.diff
 	fi
 
 	# fix bad syntax in Makefile.am and configure.ac before running eautoreconf