[bugfix] Fix assertRaisesRegex string

Bug: T195693
Change-Id: Ib3348794fb8a328bc1ca1ebe58fdda0be6665324
---
M tests/page_tests.py
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/page_tests.py b/tests/page_tests.py
index cdc29af..7ff7a38 100644
--- a/tests/page_tests.py
+++ b/tests/page_tests.py
@@ -340,7 +340,7 @@
         # Test not valid source.
         self.assertRaisesRegex(pywikibot.Error,
                                'Invalid argument type \'<\\w* \'\\w*\'>\' in '
-                               'Page constructor: dummy',
+                               'Page initializer: dummy',
                                pywikibot.Page, 'dummy')
 
     def testTitle(self):
