Add test for EFI log processing

'/usr/libexec/anaconda/log-capture' is an util to generate runtime logs.
This commit adds test validating output of this util.

efi-log-check.sh

@@ -0,0 +1,15 @@
+SYSROOT=/mnt/sysroot
+RESULT_FILE=${SYSROOT}/root/RESULT
+
+# Check if log util can be called
+function check_log_util_exist() {
+    local exit_code=0
+
+    /usr/libexec/anaconda/log-capture
+
+    if [[ $? -ne ${exit_code} ]]; then
+        echo "*** Failed check: log-capture util cant be called" >> ${RESULT_FILE}
+    fi
+}
+
+# Check if log util produces expected results

efi-log.ks.in

@@ -0,0 +1,36 @@
+#version=DEVEL
+#test name: efi-log
+%ksappend repos/default.ks
+network --bootproto=dhcp
+
+bootloader --timeout=1
+zerombr
+clearpart --all --initlabel
+autopart
+
+keyboard --xlayouts='cz (qwerty),us (euro)' --vckeymap=us --switch=grp:alt_shift_toggle
+lang en_US.UTF-8
+timezone America/New_York --utc
+rootpw testcase
+shutdown
+
+%packages
+@core
+%end
+
+%post --nochroot
+
+@KSINCLUDE@ efi-log-check.sh
+
+check_log_util_exist
+
+%end
+
+%post
+
+# No error was written to /root/RESULT file, everything is OK
+if [[ ! -e /root/RESULT ]]; then
+    echo SUCCESS > /root/RESULT
+fi
+
+%end

efi-log.sh

@@ -0,0 +1,24 @@
+#
+# Copyright (C) 2024  Red Hat, Inc.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions of
+# the GNU General Public License v.2, or (at your option) any later version.
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY expressed or implied, including the implied warranties of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+# Public License for more details.  You should have received a copy of the
+# GNU General Public License along with this program; if not, write to the
+# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.  Any Red Hat trademarks that are incorporated in the
+# source code or documentation are not subject to the GNU General Public
+# License and may only be used or replicated with the express permission of
+# Red Hat, Inc.
+#
+# Red Hat Author(s): Paweł Poławski <[email protected]>
+
+# Ignore unused variable parsed out by tooling scripts as test tags metadata
+# shellcheck disable=SC2034
+TESTTYPE="efi log coverage"
+
+. ${KSTESTDIR}/functions.sh