Merge pull request matplotlib#25297 from meeseeksmachine/auto-backport-of-pr-25295-on-v3.7.x

Backport PR matplotlib#25295 on branch v3.7.x (Increase timeout for interactive backend tests)

Author: rcomer

lib/matplotlib/tests/test_backends_interactive.py

@@ -72,7 +72,7 @@ def _get_testable_interactive_backends():
     return envs
 
 
-_test_timeout = 60  # A reasonably safe value for slower architectures.
+_test_timeout = 120  # A reasonably safe value for slower architectures.
 
 
 def _test_toolbar_button_la_mode_icon(fig):