diff --git a/tests/test-remotefilelog-bgprefetch.t b/tests/test-remotefilelog-bgprefetch.t
--- a/tests/test-remotefilelog-bgprefetch.t
+++ b/tests/test-remotefilelog-bgprefetch.t
@@ -142,6 +142,7 @@
   $ hg debugwaitonprefetch >/dev/null 2>%1
   $ sleep 1
   $ hg debugwaitonrepack >/dev/null 2>%1
+  $ sleep 1
   $ find $CACHEDIR -type f | sort
   $TESTTMP/hgcache/master/packs/8f1443d44e57fec96f72fb2412e01d2818767ef2.histidx
   $TESTTMP/hgcache/master/packs/8f1443d44e57fec96f72fb2412e01d2818767ef2.histpack
@@ -287,6 +288,7 @@
 
   $ sleep 0.5
   $ hg debugwaitonrepack >/dev/null 2>%1
+  $ sleep 0.5
 
   $ find $CACHEDIR -type f | sort
   $TESTTMP/hgcache/master/packs/8f1443d44e57fec96f72fb2412e01d2818767ef2.histidx
@@ -331,6 +333,7 @@
   * files fetched over 1 fetches - (* misses, 0.00% hit ratio) over *s (glob) (?)
   $ sleep 0.5
   $ hg debugwaitonrepack >/dev/null 2>%1
+  $ sleep 0.5
 
   $ find $CACHEDIR -type f | sort
   $TESTTMP/hgcache/master/packs/8f1443d44e57fec96f72fb2412e01d2818767ef2.histidx