Tests: Raise exception, don't raise string.

[vpp.git] / test / test_vxlan_gpe.py

diff --git a/test/test_vxlan_gpe.py b/test/test_vxlan_gpe.py
index 6ee33d5..36661a9 100644 (file)
--- a/test/test_vxlan_gpe.py
+++ b/test/test_vxlan_gpe.py
@@ -114,7 +114,7 @@ class TestVxlanGpe(BridgeDomain, VppTestCase):
                 vni=vni,
                 is_add=is_add)
             if r.sw_if_index == 0xffffffff:
-                raise "bad sw_if_index"
+                raise ValueError("bad sw_if_index: ~0")
 
     @classmethod
     def add_shared_mcast_dst_load(cls):