Add thousand testcases

Author: gliptak

tests/test_number.py

@@ -72,6 +72,9 @@ def test_intword_powers():
     "test_args, expected",
     [
         (["100"], "100"),
+        (["1000"], "1.0 thousand"),
+        (["12400"], "12.4 thousand"),
+        (["12490"], "12.5 thousand"),
         (["1000000"], "1.0 million"),
         (["1200000"], "1.2 million"),
         (["1290000"], "1.3 million"),