test_net: print out net list

Printing net list is useful in CI log files.

Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>

test/py/tests/test_net.py

@@ -96,6 +96,8 @@ def test_net_pre_commands(u_boot_console):
     if init_pci:
         u_boot_console.run_command('pci enum')
 
+    u_boot_console.run_command('net list')
+
 @pytest.mark.buildconfigspec('cmd_dhcp')
 def test_net_dhcp(u_boot_console):
     """Test the dhcp command.