mariadb: Add basic test

Add simple to test to try to run MariaDB and get the version.

Signed-off-by: Michal Hrusecky <michal.hrusecky@turris.com>

utils/mariadb/test.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# shellcheck disable=SC1090
+. "$CI_HELPER"
+
+check_version() {
+	bin="$1"
+	ver="$2"
+	com="$3"
+
+	if [ -x "$bin" ]; then
+		if "$bin" --version | grep " $ver-MariaDB"; then
+			success "MariaDB $com is in version $2"
+		else
+			err_die "MariaDB $com seems to be in wrong version"
+		fi
+	else
+		err_die "Can't find $com server binary"
+	fi
+}
+
+case "$PKG_NAME" in
+	mariadb-server) check_version /usr/bin/mysqld "$PKG_VERSION" "server" ;;
+	mariadb-client) check_version /usr/bin/mysql "$PKG_VERSION" "client";;
+	*) info "Skipping $PKG_NAME" ;;
+esac