fr/fr-net: use correct DLCI range for test cases

DLCIs are only valid >= 16.

Change-Id: Ia155f346beb4f2be1392d3204b73a0d3b00aaa08
diff --git a/fr-net/FRNET_Tests.ttcn b/fr-net/FRNET_Tests.ttcn
index c3ec468..614750f 100644
--- a/fr-net/FRNET_Tests.ttcn
+++ b/fr-net/FRNET_Tests.ttcn
@@ -21,7 +21,7 @@
 					provider := {
 						fr := {
 							netdev := "hdlcnet1",
-							dlci := 1
+							dlci := 21
 						}
 					},
 					nsvci := 101
@@ -29,7 +29,7 @@
 					provider := {
 						fr := {
 							netdev := "hdlcnet2",
-							dlci := 2
+							dlci := 22
 						}
 					},
 					nsvci := 102
@@ -37,7 +37,7 @@
 					provider := {
 						fr := {
 							netdev := "hdlcnet3",
-							dlci := 3
+							dlci := 23
 						}
 					},
 					nsvci := 103
@@ -45,7 +45,7 @@
 					provider := {
 						fr := {
 							netdev := "hdlcnet4",
-							dlci := 4
+							dlci := 24
 						}
 					},
 					nsvci := 104