[Minor] CMakeLists.txt: add LUA_PATH for run-test

* fixes #3826

CMakeLists.txt

@@ -787,7 +787,10 @@ ADD_CUSTOM_TARGET(dist ${CMAKE_SOURCE_DIR}/dist.sh
 
 IF(NOT DEBIAN_BUILD)
 	ADD_CUSTOM_TARGET(check DEPENDS rspamd-test-cxx rspamd-test)
-	ADD_CUSTOM_TARGET(run-test DEPENDS check COMMAND test/rspamd-test-cxx COMMAND test/rspamd-test -p /rspamd/lua)
+	ADD_CUSTOM_TARGET(run-test DEPENDS check
+	COMMAND test/rspamd-test-cxx
+	COMMAND sh -c 'LUA_PATH="${CMAKE_SOURCE_DIR}/lualib/?.lua\;${CMAKE_SOURCE_DIR}/lualib/?/?.lua\;${CMAKE_SOURCE_DIR}/lualib/?/init.lua\;${CMAKE_SOURCE_DIR}/contrib/lua-?/?.lua"
+		test/rspamd-test -p /rspamd/lua')
 ENDIF(NOT DEBIAN_BUILD)