Always display test suite errors (#2122010)

Previous change did not do anything, because rpm will terminate the
recipe on the first failed command. Make make check not failing
directly, but fail it later explicitly. Show details in the mean time.

bind.spec

@@ -61,7 +61,7 @@ Summary:  The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv
 Name:     bind
 License:  MPLv2.0
 Version:  9.18.6
-Release:  1%{?dist}
+Release:  2%{?dist}
 Epoch:    32
 Url:      https://www.isc.org/downloads/bind/
 #
@@ -456,8 +456,8 @@ export TSAN_OPTIONS="log_exe_name=true log_path=ThreadSanitizer exitcode=0"
     THREADS=16
     ulimit -n 8092 || : # Requires on some machines with many cores
   fi
-  make unit -j${THREADS}
-  e=$?
+  e=0
+  make unit -j${THREADS} || e=$?
   # Display details of failure
   cat tests/*/test-suite.log
   if [ "$e" -ne 0 ]; then
@@ -941,6 +941,9 @@ fi;
 %endif
 
 %changelog
+* Thu Sep 01 2022 Petr Menšík <pemensik@redhat.com> - 32:9.18.6-2
+- Always show error details for failed unittests (#2122010)
+
 * Tue Aug 30 2022 Petr Menšík <pemensik@redhat.com> - 32:9.18.6-1
 - Update to 9.18.6 (#2119132)
 - Report unit tests detailed results