t/t9001-send-email.sh: Remove needless PROG=* assignment

diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh
index dc9e8d030a6e803ac5a022e4f0685016879edaf0..3b042aacd63f77651fdaf3d10b65f4fc85669a75 100755 (executable)
--- a/t/t6030-bisect-porcelain.sh
+++ b/t/t6030-bisect-porcelain.sh
@@ -423,7 +423,7 @@ test_expect_success 'skipped merge base when good and bad are siblings' '
        grep "merge base must be tested" my_bisect_log.txt &&
        grep $HASH4 my_bisect_log.txt &&
        git bisect skip > my_bisect_log.txt 2>&1 &&
-       grep "Warning" my_bisect_log.txt &&
+       grep "warning" my_bisect_log.txt &&
        grep $SIDE_HASH6 my_bisect_log.txt &&
        git bisect reset
 '