Fix test for thick mode.

Author: anthony-tuininga

tests/test_2400_pool.py

@@ -1066,6 +1066,6 @@ def test_2457(skip_if_drcp, test_env):
 
 def test_2458(test_env):
     "2458 - connection to database with bad password"
-    pool = test_env.get_pool(password=test_env.main_password + "X")
     with test_env.assert_raises_full_code("ORA-01017"):
+        pool = test_env.get_pool(password=test_env.main_password + "X")
         pool.acquire()