Update comments and fix typo.

Author: anthony-tuininga

tests/ext/test_ext_1000_pool_shrink.py

@@ -39,7 +39,7 @@
 )
 class TestCase(test_env.BaseTestCase):
     def test_ext_1000(self):
-        "E1000 - test pool timeout with simple acquite after waiting"
+        "E1000 - test pool timeout with simple acquire after waiting"
         pool = test_env.get_pool(min=3, max=10, increment=1, timeout=5)
         conns = [pool.acquire() for i in range(7)]
         self.assertEqual(pool.opened, 7)

tests/ext/test_ext_1100_external_auth.py

@@ -26,7 +26,8 @@
 E1100 - Module for testing external authentication. This requires access to the
 orapki executable found in a full database installation and will create and
 drop users in the database. The tests here will only run if the has_orapki
-value is enabled.
+value is enabled and, due to limitations in how the Oracle Client libraries
+work, can only be run by itself.
 """
 
 import os