Don't build systemd-tests package

Resolves: #1957335

systemd.spec

@@ -350,15 +350,6 @@ License:        LGPLv2+
 A set of drop-in files for systemd units to enable action from systemd-oomd,
 a userspace out-of-memory (OOM) killer.
 
-%package tests
-Summary:       Internal unit tests for systemd
-Requires:      %{name}%{?_isa} = %{version}-%{release}
-License:       LGPLv2+
-
-%description tests
-"Installed tests" that are usually run as part of the build system.
-They can be useful to test systemd internals.
-
 %package standalone-tmpfiles
 Summary:       Standalone tmpfiles binary for use in non-systemd systems
 RemovePathPostfixes: .standalone
@@ -436,7 +427,7 @@ CONFIGURE_OPTS=(
         -Dstandalone-binaries=true
         -Ddefault-kill-user-processes=false
         -Dtests=unsafe
-        -Dinstall-tests=true
+        -Dinstall-tests=false
         -Dtty-gid=5
         -Dusers-gid=100
         -Dnobody-user=nobody
@@ -581,8 +572,6 @@ install -Dm0644 -t %{buildroot}%{_prefix}/lib/systemd/oomd.conf.d/ %{SOURCE14}
 install -Dm0644 -t %{buildroot}%{system_unit_dir}/-.slice.d/ %{SOURCE15}
 install -Dm0644 -t %{buildroot}%{system_unit_dir}/user@.service.d/ %{SOURCE16}
 
-sed -i 's|#!/usr/bin/env python3|#!%{__python3}|' %{buildroot}/usr/lib/systemd/tests/run-unit-tests.py
-
 install -m 0644 -D -t %{buildroot}%{_rpmconfigdir}/macros.d/ %{SOURCE21}
 install -m 0644 -D -t %{buildroot}%{_rpmconfigdir}/fileattrs/ %{SOURCE22}
 install -m 0755 -D -t %{buildroot}%{_rpmconfigdir}/ %{SOURCE23}
@@ -944,8 +933,6 @@ fi
 
 %files oomd-defaults -f .file-list-oomd-defaults
 
-%files tests -f .file-list-tests
-
 %files standalone-tmpfiles -f .file-list-standalone-tmpfiles
 
 %files standalone-sysusers -f .file-list-standalone-sysusers