add gc_collects to weakref tests
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 7a2dd0c..3c14c80 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -493,6 +493,7 @@
e.__context__ = None
obj = None
obj = wr()
+ gc_collect()
self.assertTrue(obj is None, "%s" % obj)
# Some complicated construct
@@ -509,6 +510,7 @@
except MyException:
pass
obj = None
+ gc_collect()
obj = wr()
self.assertTrue(obj is None, "%s" % obj)
@@ -523,6 +525,7 @@
with Context():
inner_raising_func()
obj = None
+ gc_collect()
obj = wr()
self.assertTrue(obj is None, "%s" % obj)