patch 7.4.968
Problem:    test86 and test87 are flaky in Appveyor.
Solution:   Reduce the count from 8 to 7. (suggested by ZyX)
diff --git a/src/testdir/test86.in b/src/testdir/test86.in
index 32888f8..ae8ee3e 100644
--- a/src/testdir/test86.in
+++ b/src/testdir/test86.in
@@ -370,7 +370,7 @@
 :sleep 1
 :py t.running = False
 :py t.join()
-:py l[0] = t.t > 8  # check if the background thread is working
+:py l[0] = t.t > 7  # check if the background thread is working
 :py del time
 :py del threading
 :py del t