t/t3403-rebase-skip.sh: use the $( ... ) construct for command substitution

diff --git a/t/t1700-split-index.sh b/t/t1700-split-index.sh
index 92f7298fba625fc56c1f8f6df2088ba4cc1a771a..8aef49f23624305a62047da4bc2fd66e6a03b0e5 100755 (executable)
--- a/t/t1700-split-index.sh
+++ b/t/t1700-split-index.sh
@@ -55,7 +55,7 @@ test_expect_success 'disable split index' '
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
-       BASE=`test-dump-split-index .git/index | grep "^own" | sed "s/own/base/"` &&
+       BASE=$(test-dump-split-index .git/index | grep "^own" | sed "s/own/base/") &&
        test-dump-split-index .git/index | sed "/^own/d" >actual &&
        cat >expect <<EOF &&
 not a split index
@@ -191,7 +191,7 @@ test_expect_success 'unify index, two files remain' '
 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
 EOF
-       test_cmp ls-files.expect ls-files.actual
+       test_cmp ls-files.expect ls-files.actual &&
 
        test-dump-split-index .git/index | sed "/^own/d" >actual &&
        cat >expect <<EOF &&