completion: add comment for test_completion()

diff --git a/t/t4134-apply-submodule.sh b/t/t4134-apply-submodule.sh
index 1b82f93cffb1d4444a8c789f95931b86dd3d93b6..0043930ca6ab31f6cd6a0bf6464ceb281663f9e8 100755 (executable)
--- a/t/t4134-apply-submodule.sh
+++ b/t/t4134-apply-submodule.sh
@@ -8,7 +8,7 @@ test_description='git apply submodule tests'
 . ./test-lib.sh
 
 test_expect_success setup '
-       cat > create-sm.patch <<EOF
+       cat > create-sm.patch <<EOF &&
 diff --git a/dir/sm b/dir/sm
 new file mode 160000
 index 0000000..0123456