VLAN issue

Hi Fellas,
I was trying to introduce a new vlan to the existing configuration on my qfx5100 device. The current version is 14.1x53-d26.2. I had everything running fine before. After I added new config all vlans vanished from my list. Since I have no services running I am not aware of any drops yet.
Before:
vlans{
dummy-vlan{
vland-id-list 20-40;
}
test{
.
.
direct{
.
.
}
}
New config added:
show | compare
[edit interfaces]
+ xe-0/0/1{
+ unit 0{
+ family ethernet-switching {
+ interface-mode trunk;
+ vlan {
+ members dummy-vlan;
+ }
+ }
+ }
+}
Should I go over again? I do not find any mistake in config. Please help with getting this right.