Fix lunit not honoring "-t"

Signed-off-by: Rahix <rahix@rahix.de>

lunit.lua

@@ -531,13 +531,25 @@ traceback_hide(runtest)
 
 
 
-function lunit.run()
+function lunit.run(patterns)
   clearstats()
   report("begin")
   for testcasename in lunit.testcases() do
     -- Run tests in the testcases
     for testname in lunit.tests(testcasename) do
-      runtest(testcasename, testname)
+      local run = true
+      if patterns ~= nil then
+        run = false
+        for _, pat in ipairs(patterns) do
+          if string.match(testname, pat) ~= nil then
+            run = true
+            break
+          end
+        end
+      end
+      if run then
+        runtest(testcasename, testname)
+      end
     end
   end
   report("done")
@@ -647,7 +659,7 @@ function main(argv)
       local optname = arg; i = i + 1; arg = argv[i]
       checkarg(optname, arg)
       testpatterns = testpatterns or {}
-      testpatterns[#testpatterns+1] = arg
+      testpatterns[#testpatterns+1] = lunitpat2luapat(arg)
     elseif arg == "--" then
       while i < #argv do
         i = i + 1; arg = argv[i]