At some point the directory name changed to testbeds

Without reflecting this in the tests we do not actually shut down
correctly during cleanup

test/sharness/t0121-bootstrap-iptb.sh

@@ -38,11 +38,11 @@ betterwait() {
 }
 
 test_expect_success "bring down iptb nodes" '
-  PID0=$(cat "$IPTB_ROOT/benches/default/0/daemon.pid") &&
-  PID1=$(cat "$IPTB_ROOT/benches/default/1/daemon.pid") &&
-  PID2=$(cat "$IPTB_ROOT/benches/default/2/daemon.pid") &&
-  PID3=$(cat "$IPTB_ROOT/benches/default/3/daemon.pid") &&
-  PID4=$(cat "$IPTB_ROOT/benches/default/4/daemon.pid") &&
+  PID0=$(cat "$IPTB_ROOT/testbeds/default/0/daemon.pid") &&
+  PID1=$(cat "$IPTB_ROOT/testbeds/default/1/daemon.pid") &&
+  PID2=$(cat "$IPTB_ROOT/testbeds/default/2/daemon.pid") &&
+  PID3=$(cat "$IPTB_ROOT/testbeds/default/3/daemon.pid") &&
+  PID4=$(cat "$IPTB_ROOT/testbeds/default/4/daemon.pid") &&
   iptb stop && # TODO: add --wait flag to iptb stop
   betterwait $PID0
   betterwait $PID1

test/sharness/t0130-multinode.sh

@@ -80,7 +80,7 @@ run_advanced_test() {
 
   test_expect_success "shut down nodes" '
     iptb stop && iptb_wait_stop ||
-      test_fsh tail -n +1 .iptb/benches/default/*/daemon.std*
+      test_fsh tail -n +1 .iptb/testbeds/default/*/daemon.std*
   '
 }