transform test case 119-config-prefix.t from ngx_http_lua to ngx_stream_lua

Author: rainingmaster

t/119-config-prefix.t

@@ -1,5 +1,5 @@
 # vim:set ft= ts=4 sw=4 et fdm=marker:
-use Test::Nginx::Socket::Lua;
+use Test::Nginx::Socket::Lua::Stream;
 
 #worker_connections(1014);
 #master_on();
@@ -18,15 +18,11 @@ run_tests();
 __DATA__
 
 === TEST 1: content_by_lua
---- config
-    location /lua {
-        content_by_lua '
-            ngx.say("prefix: ", ngx.config.prefix())
-        ';
+--- stream_server_config
+    content_by_lua_block {
+        ngx.say("prefix: ", ngx.config.prefix())
     }
---- request
-GET /lua
---- response_body_like chop
+--- stream_response_like chop
 ^prefix: \/\S+$
 --- no_error_log
 [error]