add test

Author: jdidion

fgpyo/util/tests/test_types.py

@@ -0,0 +1,10 @@
+from typing import Iterable
+from typing import List
+from typing import Sequence
+
+from fgpyo.util import types
+
+def test_is_listlike() -> None:
+    assert types.is_list_like(List[str])
+    assert types.is_list_like(Iterable[str])
+    assert types.is_list_like(Sequence[str])