skip test if plugin was not built (#9761)

diff --git a/tests/gold_tests/pluginTest/test_hooks/body_buffer.test.py b/tests/gold_tests/pluginTest/test_hooks/body_buffer.test.py
index 28d1ef2..ac3c5f5 100644
--- a/tests/gold_tests/pluginTest/test_hooks/body_buffer.test.py
+++ b/tests/gold_tests/pluginTest/test_hooks/body_buffer.test.py
@@ -19,6 +19,8 @@
 
 import os
 
+Test.SkipUnless(Condition.PluginExists('request_buffer.so'))
+
 
 def int_to_hex_string(int_value):
     '''