t3905-stash-include-untracked.sh: use the $( ... ) construct for command substitution

diff --git a/t/t3905-stash-include-untracked.sh b/t/t3905-stash-include-untracked.sh
index a5e7e6b2ba3138d06c400e965decf1389da3274a..f372fc8ca8e3b311b03313a46db1aa8f35de2ea9 100755 (executable)
--- a/t/t3905-stash-include-untracked.sh
+++ b/t/t3905-stash-include-untracked.sh
@@ -96,8 +96,8 @@ test_expect_success 'stash pop after save --include-untracked leaves files untra
        git stash pop &&
        git status --porcelain >actual &&
        test_cmp expect actual &&
-       test "1" = "`cat file2`" &&
-       test untracked = "`cat untracked/untracked`"
+       test "1" = "$(cat file2)" &&
+       test untracked = "$(cat untracked/untracked)"
 '
 
 git clean --force --quiet -d