test: import JSON for quicker debugging

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/test/etc_network_interfaces/runtest.pl b/test/etc_network_interfaces/runtest.pl
index b5277c3b1b0350c9b448330d489dcbd3e5d5be16..f92f5aeb2d4f5488f980d69817cdee2d4e107b43 100755 (executable)
--- a/test/etc_network_interfaces/runtest.pl
+++ b/test/etc_network_interfaces/runtest.pl
@@ -9,6 +9,7 @@ use Carp;
 use POSIX;
 use IO::Handle;
 use Storable qw(dclone);
+use JSON; # allows simple debug-dumping of variables  `print to_json($foo, {pretty => 1}) ."\n"`
 
 use PVE::INotify;