set and use SYSTEMTESTTOP consistently

bin/tests/system/clean.sh

@@ -13,9 +13,11 @@
 # Clean up after a specified system test.
 #
 
-SYSTEMTESTTOP=.
+SYSTEMTESTTOP="$(cd -P -- "$(dirname -- "$0")" && pwd -P)"
 . $SYSTEMTESTTOP/conf.sh
 
+export SYSTEMTESTTOP
+
 # See if the "-r" flag is present.  This will usually be set when all the tests
 # are run (e.g. from "runall.sh") and tells the script not to delete the
 # test.output file created by run.sh.  This is because the script running all

bin/tests/system/digdelv/tests.sh

@@ -10,6 +10,7 @@
 # information regarding copyright ownership.
 
 # shellcheck source=conf.sh
+SYSTEMTESTTOP=..
 . "$SYSTEMTESTTOP/conf.sh"
 
 set -e

bin/tests/system/dnssec/tests.sh

@@ -10,6 +10,7 @@
 # information regarding copyright ownership.
 
 # shellcheck source=conf.sh
+SYSTEMTESTTOP=..
 . "$SYSTEMTESTTOP/conf.sh"
 
 set -e

bin/tests/system/masterformat/tests.sh

@@ -10,6 +10,7 @@
 # information regarding copyright ownership.
 
 # shellcheck source=conf.sh
+SYSTEMTESTTOP=..
 . "$SYSTEMTESTTOP/conf.sh"
 
 status=0

bin/tests/system/sfcache/tests.sh

@@ -10,6 +10,7 @@
 # information regarding copyright ownership.
 
 # shellcheck source=conf.sh
+SYSTEMTESTTOP=..
 . "$SYSTEMTESTTOP/conf.sh"
 
 set -e

bin/tests/system/synthfromdnssec/tests.sh

@@ -10,6 +10,7 @@
 # information regarding copyright ownership.
 
 # shellcheck source=conf.sh
+SYSTEMTESTTOP=..
 . "$SYSTEMTESTTOP/conf.sh"
 
 set -e

bin/tests/system/ttl/clean.sh

 #!/bin/sh
 
-. ../conf.sh
+. $SYSTEMTESTTOP/conf.sh
 
 rm -f ./dig.out.*
 rm -f ./*/named.conf

bin/tests/system/ttl/setup.sh

 #!/bin/sh
 
-. ../conf.sh
+. $SYSTEMTESTTOP/conf.sh
 
 $SHELL clean.sh
 copy_setports ns1/named.conf.in ns1/named.conf

bin/tests/system/ttl/tests.sh

 #!/bin/sh
 
-. ../conf.sh
+. $SYSTEMTESTTOP/conf.sh
 
 dig_with_options() { "$DIG" +noadd +nosea +nostat +noquest +nocomm +nocmd -p "${PORT}" "$@"; }