From 70cd2e252e792161bb40e777ef582cd4e802ab6d Mon Sep 17 00:00:00 2001
From: John Chilton <jmchilton@gmail.com>
Date: Tue, 22 Mar 2022 15:06:41 -0400
Subject: [PATCH] Fix bug in testcase code for fetching drivers.

---
 lib/galaxy_test/base/testcase.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/galaxy_test/base/testcase.py b/lib/galaxy_test/base/testcase.py
index e627bccaad1..f74bec3312a 100644
--- a/lib/galaxy_test/base/testcase.py
+++ b/lib/galaxy_test/base/testcase.py
@@ -35,7 +35,9 @@ class FunctionalTestCase(unittest.TestCase):
     def setUp(self) -> None:
         self.history_id = os.environ.get("GALAXY_TEST_HISTORY_ID", None)
         self.host, self.port, self.url = target_url_parts()
-        server_wrapper = self._test_driver and self._test_driver.server_wrappers[0]
+        server_wrapper = (
+            self._test_driver and self._test_driver.server_wrappers and self._test_driver.server_wrappers[0]
+        )
         if server_wrapper:
             self.host = server_wrapper.host
             self.port = server_wrapper.port