test: fix UDEV-WANTS testcase for non-bash shells (#7407)

testsuite.sh uses "set -o pipefile", which is a bashism, hence use bash
to invoke the script.

diff --git a/test/TEST-17-UDEV-WANTS/test.sh b/test/TEST-17-UDEV-WANTS/test.sh
index 7beef7f..24989eb 100755 (executable)
--- a/test/TEST-17-UDEV-WANTS/test.sh
+++ b/test/TEST-17-UDEV-WANTS/test.sh
@@ -32,7 +32,7 @@ test_setup() {
 Description=Testsuite service
 
 [Service]
-ExecStart=/bin/sh -x /testsuite.sh
+ExecStart=/bin/bash -x /testsuite.sh
 Type=oneshot
 StandardOutput=tty
 StandardError=tty