Randomly sample datatypes to test.

Author: JoeZiminski

tests/tests_integration/test_datatypes.py

@@ -1,4 +1,5 @@
 import os
+import random
 
 import pytest
 import test_utils
@@ -61,8 +62,6 @@ def test_transfer_datatypes(
         """
         subs, sessions = test_utils.get_default_sub_sessions_to_test()
 
-        # Unfortunately on Windows we are encountering 'The command line is too long'
-        # and so cannot test against all datatypes here.
         narrow_datatypes = canonical_configs.quick_get_narrow_datatypes()
 
         datatypes_used = self.get_narrow_only_datatypes_used(used=False)