Fixed tests to be running with parallel-tests

configure.ac

@@ -1,7 +1,7 @@
 AC_INIT([patchelf], m4_esyscmd([printf $(cat ./version)]))
 AC_CONFIG_SRCDIR([src/patchelf.cc])
 AC_CONFIG_AUX_DIR([build-aux])
-AM_INIT_AUTOMAKE([-Wall -Werror dist-bzip2 foreign color-tests serial-tests])
+AM_INIT_AUTOMAKE([-Wall -Werror dist-bzip2 foreign color-tests parallel-tests])
 
 AM_PROG_CC_C_O
 AC_PROG_CXX

tests/no-rpath-prebuild.sh

@@ -4,7 +4,7 @@ ARCH="$1"
 PAGESIZE=4096
 
 if [ -z "$ARCH" ]; then
-  ARCH=$(basename $0 .sh | sed -e 's/.*-//')
+  ARCH=$(basename $0 .sh | sed -e 's/^no-rpath-//')
 fi
 
 SCRATCH=scratch/no-rpath-$ARCH