gh-152298: Keep reentrant lazy test proxy local

Author: 1sgtpepper

Lib/test/test_lazy_import/__init__.py

@@ -787,7 +787,7 @@ def __del__(self):
             target = Reenter()
             lazy import target_module as target
 
-            try:
+            def check_after_store():
                 assert not errors, errors
                 assert len(proxies) == 1, proxies
                 proxy = proxies[0]
@@ -800,6 +800,9 @@ def __del__(self):
                 globals()["target"] = proxy
                 assert proxy.resolve() is resolved
                 assert globals()["target"] is proxy
+
+            try:
+                check_after_store()
                 assert len(calls) == 1, calls
             finally:
                 builtins.__import__ = real_import