test: avoid using screen(1) configuration files

Set SCREENRC and SYSSCREENRC environment variables to "/dev/null"
as suggested by Jim Paris to avoid potential problems with
screen(1) configuration files.

diff --git a/test/test-lib.sh b/test/test-lib.sh
index ff5183fff662afbc3cffab68ac7ffeef06d66a53..c81c709b511ffbbbee1205379a4dd6ce8ee67e2a 100755 (executable)
--- a/test/test-lib.sh
+++ b/test/test-lib.sh
@@ -50,6 +50,8 @@ TZ=UTC
 TERM=dumb
 export LANG LC_ALL PAGER TERM TZ
 GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
+export SCREENRC=/dev/null
+export SYSSCREENRC=/dev/null
 
 # Protect ourselves from common misconfiguration to export
 # CDPATH into the environment