t/t5100: no need to use 'echo' command substitutions for globbing

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index a771cf77f5b4f52aa14965a78f9dce2df6a65eec..ec8bc8c7656fd7f0fd03226b5491f5bc9d532dd7 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -492,12 +492,12 @@ test_expect_success PERL 'difftool --no-symlinks detects conflict ' '
 
 test_expect_success PERL 'difftool properly honors gitlink and core.worktree' '
        git submodule add ./. submod/ule &&
+       test_config -C submod/ule diff.tool checktrees &&
+       test_config -C submod/ule difftool.checktrees.cmd '\''
+               test -d "$LOCAL" && test -d "$REMOTE" && echo good
+               '\'' &&
        (
                cd submod/ule &&
-               test_config diff.tool checktrees &&
-               test_config difftool.checktrees.cmd '\''
-                       test -d "$LOCAL" && test -d "$REMOTE" && echo good
-               '\'' &&
                echo good >expect &&
                git difftool --tool=checktrees --dir-diff HEAD~ >actual &&
                test_cmp expect actual