feat(test) first experiement with Unity test engine

tests/test.py

@@ -0,0 +1,9 @@
+import os
+import glob
+
+def prepare():
+  os.system("rm test_*_Runner.c")
+  files = glob.glob("./test_*.c")
+  for f in files:
+    os.system("ruby unity/generate_test_runner.rb " + f + " config.yml") 
+  return files