1 files changed, 4 insertions, 0 deletions
diff --git a/tests/lib b/tests/lib
index ee8d14f..c8ea771 100644
--- a/tests/lib
+++ b/tests/lib
@@ -58,6 +58,10 @@ export GIT_AUTHOR_DATE='1530000000 +0100'
 export LC_CTYPE=C.UTF-8
 unset CDPATH
 
+# We use git-filter-branch in various tests.
+# Nowadays it has a warning with associated sleep.
+export FILTER_BRANCH_SQUELCH_WARNING=1
+
 root=`pwd`
 troot=$root/tests
 testname="${DGIT_TEST_TESTNAME-${0##*/}}"