[Minor] Fix tests

rules/html.lua

@@ -173,13 +173,12 @@ rspamd_config.R_WHITE_ON_WHITE = {
     local tp = task:get_text_parts() -- get text parts in a message
     local ret = false
     local diff = 0.0
-    local normal_len = 0
     local transp_rate = 0
     local arg
 
     for _,p in ipairs(tp) do -- iterate over text parts array using `ipairs`
       if p:is_html() and p:get_html() then -- if the current part is html part
-        normal_len = p:get_length()
+        local normal_len = p:get_length()
         local transp_len = 0
         local hc = p:get_html() -- we get HTML context
 

src/plugins/lua/antivirus.lua

@@ -739,7 +739,6 @@ local av_types = {
 }
 
 local function add_antivirus_rule(sym, opts)
-  local rule = {}
   if not opts['type'] then
     return nil
   end
@@ -752,7 +751,7 @@ local function add_antivirus_rule(sym, opts)
       opts['type'])
   end
 
-  rule = cfg.configure(opts)
+  local rule = cfg.configure(opts)
 
   if not rule then
     rspamd_logger.errx(rspamd_config, 'cannot configure %s for %s',

test/functional/lua/url_tags.lua

@@ -1,3 +1,4 @@
+
 local rspamd_logger = require 'rspamd_logger'
 
 rspamd_config:register_symbol({