[Tests] covert timeTools doctests into timeTools_test.py

Tests/misc/timeTools_test.py

@@ -0,0 +1,9 @@
+from __future__ import print_function, division, absolute_import
+from fontTools.misc.py23 import *
+from fontTools.misc.timeTools import asctime
+import time
+
+
+def test_asctime():
+    assert isinstance(asctime(), basestring)
+    assert asctime(time.gmtime(0)) == 'Thu Jan  1 00:00:00 1970'