Issue #19886: Use better estimated memory requirements for bigmem tests.
Incorrect requirements can cause memory swapping.
diff --git a/Misc/NEWS b/Misc/NEWS
index 481e901..5999b11 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -161,6 +161,8 @@
 Tests
 -----
 
+- Issue #19886: Use better estimated memory requirements for bigmem tests.
+
 - Backported tests for Tkinter variables.
 
 - Issue #19320: test_tcl no longer fails when wantobjects is false.