send-email: change --no-validate to boolean --[no-]validate

diff --git a/t/t4012-diff-binary.sh b/t/t4012-diff-binary.sh
index 64c372a025bd78afc3d3a2ce13543561f9c97706..b8ec6e90afb970b1b2540e30901b2f058522544e 100755 (executable)
--- a/t/t4012-diff-binary.sh
+++ b/t/t4012-diff-binary.sh
@@ -12,7 +12,7 @@ test_expect_success 'prepare repository' \
        'echo AIT >a && echo BIT >b && echo CIT >c && echo DIT >d &&
         git update-index --add a b c d &&
         echo git >a &&
-        cat ../test4012.png >b &&
+        cat "$TEST_DIRECTORY"/test4012.png >b &&
         echo git >c &&
         cat b b >d'