[PATCH v2 4/9] shell: Add test for TST_MOUNT_DEVICE=1

[Petr Vorel <pvorel@xxxxxxx>]

Unfortunately GitHub Actions don't have loop devices, thus cannot be run
in CI:

tst_format_device 1 TINFO: timeout per run is 0h 5m 0s
/__w/ltp/ltp/lib/tst_device.c:139: TINFO: No free devices found

Reviewed-by: Cyril Hrubis <chrubis@xxxxxxx>
Signed-off-by: Petr Vorel <pvorel@xxxxxxx>
---
 lib/newlib_tests/shell/tst_mount_device.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 lib/newlib_tests/shell/tst_mount_device.sh

diff --git a/lib/newlib_tests/shell/tst_mount_device.sh b/lib/newlib_tests/shell/tst_mount_device.sh
new file mode 100755
index 000000000..c8f185626
--- /dev/null
+++ b/lib/newlib_tests/shell/tst_mount_device.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Petr Vorel <pvorel@xxxxxxx>
+
+TST_MOUNT_DEVICE=1
+TST_FS_TYPE=ext4
+TST_TESTFUNC=test
+TST_CNT=2
+
+test1()
+{
+	EXPECT_PASS "cd $TST_MNTPOINT"
+}
+
+test2()
+{
+	EXPECT_PASS "grep '$TST_MNTPOINT $TST_FS_TYPE' /proc/mounts"
+}
+
+. tst_test.sh
+tst_run
-- 
2.36.1