tests: skip more excluded plugin tests

Check and skip VPP_EXCLUDED_PLUGINS tests for most of plugins.

Type: improvement
Signed-off-by: Dmitry Valter <d-valter@yandex-team.com>
Change-Id: I23fd3666729251c639aa8da72a676058e3f5bb4e
diff --git a/test/test_udp.py b/test/test_udp.py
index 34307ef..edcd293 100644
--- a/test/test_udp.py
+++ b/test/test_udp.py
@@ -17,6 +17,7 @@
 )
 from vpp_neighbor import VppNeighbor
 from vpp_papi import VppEnum
+from config import config
 
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether
@@ -679,6 +680,9 @@
 
 
 @tag_fixme_vpp_workers
+@unittest.skipIf(
+    "hs_apps" in config.excluded_plugins, "Exclude tests requiring hs_apps plugin"
+)
 class TestUDP(VppTestCase):
     """UDP Test Case"""