tests: Does setroubleshoot report any 'Plugin Exception' during analyses?

This test should cover cases when setroubleshoot reports "Plugin Exception"
during analyses, see https://bugzilla.redhat.com/show_bug.cgi?id=1784564

Example log with the reported problem:
    setroubleshoot[834]: Plugin Exception catchall_labels
    setroubleshoot[834]: Plugin Exception file
    setroubleshoot[834]: Plugin Exception openvpn

tests/Regression/no-plugin-exception-during-analyses/Makefile

@@ -0,0 +1,65 @@
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Makefile of /CoreOS/setroubleshoot/Regression/no-plugin-exception-during-analyses
+#   Description: Does setroubleshoot report any 'Plugin Exception' during analyses?
+#   Author: Petr Lautrbach <plautrba@redhat.com>
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Copyright (c) 2020 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 version 2.
+#
+#   This program is distributed in the hope that it will be
+#   useful, but WITHOUT ANY WARRANTY; without even the implied
+#   warranty 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.
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+export TEST=/CoreOS/setroubleshoot/Regression/no-plugin-exception-during-analyses
+export TESTVERSION=1.0
+
+BUILT_FILES=
+
+FILES=$(METADATA) runtest.sh Makefile
+
+.PHONY: all install download clean
+
+run: $(FILES) build
+	./runtest.sh
+
+build: $(BUILT_FILES)
+	test -x runtest.sh || chmod a+x runtest.sh
+
+clean:
+	rm -f *~ $(BUILT_FILES)
+
+include /usr/share/rhts/lib/rhts-make.include
+
+$(METADATA): Makefile
+	@echo "Owner:           Petr Lautrbach <plautrba@redhat.com>" > $(METADATA)
+	@echo "Name:            $(TEST)" >> $(METADATA)
+	@echo "TestVersion:     $(TESTVERSION)" >> $(METADATA)
+	@echo "Path:            $(TEST_DIR)" >> $(METADATA)
+	@echo "Description:     Does setroubleshoot report any 'Plugin Exception' during analyses?" >> $(METADATA)
+	@echo "Type:            Regression" >> $(METADATA)
+	@echo "TestTime:        5m" >> $(METADATA)
+	@echo "RunFor:          setroubleshoot" >> $(METADATA)
+	@echo "Requires:        setroubleshoot-server" >> $(METADATA)
+	@echo "Priority:        Normal" >> $(METADATA)
+	@echo "License:         GPLv2" >> $(METADATA)
+	@echo "Confidential:    no" >> $(METADATA)
+	@echo "Destructive:     no" >> $(METADATA)
+	@echo "Environment:     AVC_ERROR=+no_avc_check" >> $(METADATA)
+	@echo "Bug:             1784564" >> $(METADATA) # RHEL-7
+
+	rhts-lint $(METADATA)
+

tests/Regression/no-plugin-exception-during-analyses/runtest.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   runtest.sh of /CoreOS/setroubleshoot/Regression/no-plugin-exception-during-analyses
+#   Description: Does setroubleshoot report any 'Plugin Exception' during analyses?
+#   Author: Petr Lautrbach <plautrba@redhat.com>
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Copyright (c) 2020 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 version 2.
+#
+#   This program is distributed in the hope that it will be
+#   useful, but WITHOUT ANY WARRANTY; without even the implied
+#   warranty 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.
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+# Include Beaker environment
+. /usr/bin/rhts-environment.sh || exit 1
+. /usr/share/beakerlib/beakerlib.sh || exit 1
+
+PACKAGE="setroubleshoot"
+
+rlJournalStart
+    rlPhaseStartSetup
+    rlPhaseEnd
+
+    rlPhaseStartTest "no 'Plugin Exception'"
+
+        SINCE=$(date '+%Y-%m-%d %H:%M:%S')
+        RANDOM_NUMBER=${RANDOM}
+        rlRun "passwd --help >& /root/output-${RANDOM_NUMBER}.txt"
+        rlRun "rm -f /root/output-${RANDOM_NUMBER}.txt"
+        sleep 10
+        rlRun "journalctl --since=\"$SINCE\" > journal-after.txt"
+	rlAssertGrep "setroubleshoot.*: SELinux is preventing passwd" journal-after.txt
+	rlAssertNotGrep "setroubleshoot.*: Plugin Exception " journal-after.txt
+	rlRun "[[ $? -eq 0 ]] || cat journal-after.txt"
+    rlPhaseEnd
+
+    rlPhaseStartCleanup
+        rlRun "rm -f journal-after.txt"
+    rlPhaseEnd
+rlJournalPrintText
+rlJournalEnd
+