[Test] Pass test-case patten into test engine

So that now we can set which test cases should be runned:

$ ./test/rspamd-test -p /rspamd/lua -t selectors.lua -c "case .* rcpts"
$ ./test/rspamd-test -p /rspamd/lua -c "case 1st rcpts"

-c accepts Lua-pattern

1 files changed, 7 insertions, 1 deletions

diff --git a/test/lua/tests.lua b/test/lua/tests.lua
index 99d509de0..6c05e02e0 100644
--- a/test/lua/tests.lua
+++ b/test/lua/tests.lua
@@ -8,8 +8,14 @@ local contexts = {}
 for _,t in ipairs(tests_list) do
   telescope.load_contexts(t, contexts)
 end
+local function test_filter(test)
+  return test.name:match(test_pattern)
+end
+if not test_pattern then
+  test_filter = function(_) return true end
+end
 local buffer = {}
-local results = telescope.run(contexts, callbacks, test_pattern)
+local results = telescope.run(contexts, callbacks, test_filter)
 local summary, data = telescope.summary_report(contexts, results)
 
 table.insert(buffer, telescope.test_report(contexts, results))