diff --git a/.fmf/version b/.fmf/version
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/.fmf/version
@@ -0,0 +1 @@
+1
diff --git a/gating.yaml b/gating.yaml
new file mode 100644
index 0000000..1608530
--- /dev/null
+++ b/gating.yaml
@@ -0,0 +1,7 @@
+# RHEL
+--- !Policy
+product_versions:
+  - rhel-*
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
diff --git a/perl-XString.spec b/perl-XString.spec
index 50fb494..70587fe 100644
--- a/perl-XString.spec
+++ b/perl-XString.spec
@@ -1,6 +1,6 @@
 Name:		perl-XString
 Version:	0.005
-Release:	13%{?dist}
+Release:	14%{?dist}
 Summary:	Isolated String helpers from B
 License:	GPL-1.0-or-later OR Artistic-1.0-Perl
 URL:		https://metacpan.org/release/XString
@@ -13,6 +13,7 @@ BuildRequires:	make
 BuildRequires:	perl-devel
 BuildRequires:	perl-generators
 BuildRequires:	perl-interpreter
+BuildRequires:	perl(Config)
 BuildRequires:	perl(ExtUtils::MakeMaker) >= 6.76
 # Module
 BuildRequires:	perl(:VERSION) >= 5.10.0
@@ -33,8 +34,22 @@ Requires:	perl(XSLoader)
 XString provides the B string helpers in one isolated package. Right now only
 cstring and perlstring are available.
 
+%package tests
+Summary:        Tests for %{name}
+Requires:       %{name} = %{?epoch:%{epoch}:}%{version}-%{release}
+Requires:       perl-Test-Harness
+
+%description tests
+Tests from %{name}. Execute them
+with "%{_libexecdir}/%{name}/test".
+
 %prep
 %setup -q -n XString-%{version}
+# Help generators to recognize Perl scripts
+for F in t/*.t; do
+    perl -i -MConfig -ple 'print $Config{startperl} if $. == 1 && !s{\A#!.*perl\b}{$Config{startperl}}' "$F"
+    chmod +x "$F"
+done
 
 %build
 perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 NO_PERLLOCAL=1
@@ -44,6 +59,16 @@ perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 NO_PERLLOCAL=1
 %{make_install}
 find %{buildroot} -type f -name '*.bs' -empty -delete
 %{_fixperms} -c %{buildroot}
+# Install tests
+mkdir -p %{buildroot}%{_libexecdir}/%{name}
+cp -a t %{buildroot}%{_libexecdir}/%{name}
+# Remove author tests.
+rm -f %{buildroot}%{_libexecdir}/%{name}/t/00-report*
+cat > %{buildroot}%{_libexecdir}/%{name}/test << 'EOF'
+#!/bin/sh
+cd %{_libexecdir}/%{name} && exec prove -I . -j "$(getconf _NPROCESSORS_ONLN)"
+EOF
+chmod +x %{buildroot}%{_libexecdir}/%{name}/test
 
 %check
 make test
@@ -55,7 +80,13 @@ make test
 %{perl_vendorarch}/auto/XString/
 %{_mandir}/man3/XString.3*
 
+%files tests
+%{_libexecdir}/%{name}
+
 %changelog
+* Thu Jul 11 2024 Michal Josef Špaček <mspacek@redhat.com> - 0.005-14
+- Package tests
+
 * Mon Jun 24 2024 Troy Dawson <tdawson@redhat.com> - 0.005-13
 - Bump release for June 2024 mass rebuild
 
diff --git a/plans/sanity.fmf b/plans/sanity.fmf
new file mode 100644
index 0000000..a72ded4
--- /dev/null
+++ b/plans/sanity.fmf
@@ -0,0 +1,5 @@
+summary: Sanity tests
+discover:
+    how: fmf
+execute:
+    how: tmt
diff --git a/tests/upstream-tests.fmf b/tests/upstream-tests.fmf
new file mode 100644
index 0000000..cd409f9
--- /dev/null
+++ b/tests/upstream-tests.fmf
@@ -0,0 +1,12 @@
+summary: Upstream tests
+contact: Michal Josef Spacek <mspacek@redhat.com>
+component: perl-XString
+require: perl-XString-tests
+test: /usr/libexec/perl-XString/test
+enabled: true
+tag:
+  - rhel-buildroot
+adjust:
+  - enabled: false
+    when: distro < rhel-10 or distro < centos-stream-10
+    continue: false