Issue #15168: Move importlb.test to test.test_importlib.
This should make the Linux distros happy as it is now easier to leave
importlib's tests out of their base Python distribution.
diff --git a/Misc/NEWS b/Misc/NEWS
index a09136d..48877fe 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -181,6 +181,8 @@
 Tests
 -----
 
+- Issue #15168: Move importlib.test to test.test_importlib.
+
 - Issue #15091: Reactivate a test on UNIX which was failing thanks to a
   forgotten importlib.invalidate_caches() call.