Increase timeout for 3.9 and 3.10 Refleaks runs (#545)

These version have monolithic `test_asyncio` and some builders are hitting the 45min limit.

Fix-up for c49ec21

master/custom/factories.py

@@ -72,6 +72,11 @@ def setup(self, parallel, branch, test_with_PTY=False, **kwargs):
         # Adjust the timeout for this worker
         self.test_timeout *= kwargs.get("timeout_factor", 1)
 
+        # In 3.9 and 3.10, test_asyncio wasn't split out, and refleaks tests
+        # need more time.
+        if branch in ("3.9", "3.10") and has_option("-R", self.testFlags):
+            self.test_timeout *= 2
+
         if self.build_out_of_tree:
             self.addStep(
                 ShellCommand(