[pitivi] tests: Fix loggable check

[Alexandru Băluț <alexbalut src gnome org>]

commit 45955df8990ee30842946096e364d6cd26d6c465
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Mon Jan 6 22:34:42 2020 +0100

    tests: Fix loggable check
    
    I should have included it in d44c33ad2c5d27eb1ad2b9541c812a66d47e691e

 tests/test_utils_loggable.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tests/test_utils_loggable.py b/tests/test_utils_loggable.py
index 9296d0bd..47c25144 100644
--- a/tests/test_utils_loggable.py
+++ b/tests/test_utils_loggable.py
@@ -188,7 +188,7 @@ class TestGetExceptionMessage(unittest.TestCase):
     def verify_exception(self, e):
         message = log.get_exception_message(e)
         self.assertTrue("func1()" in message, message)
-        self.assertTrue("test_log.py" in message, message)
+        self.assertTrue("test_utils_loggable.py" in message, message)
         self.assertTrue("TypeError" in message, message)