Update db scripts

Author: finestructure

scripts/start-test-dbs.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-docker network create -d bridge spi_test
+docker network create -d bridge spi_test 2> /dev/null
 
 for port in {0..7}; do
     docker run --name "spi_test_$port" \

scripts/stop-test-dbs.sh

@@ -4,4 +4,4 @@ for c in $(docker ps --all --format "{{.Names}}" | grep spi_test_); do
     docker rm -f "$c"
 done
 
-docker network rm spi_test
+docker network rm spi_test 2> /dev/null || true