Don't ignore s390x failures.

python-pillow.spec

@@ -230,11 +230,7 @@ ln -s $PWD/Images $PWD/build/%py2_libbuilddir/Images
 cp -R $PWD/Tests $PWD/build/%py2_libbuilddir/Tests
 cp -R $PWD/selftest.py $PWD/build/%py2_libbuilddir/selftest.py
 pushd build/%py2_libbuilddir
-%ifarch s390x
-PYTHONPATH=$PWD %{__python2} selftest.py || :
-%else
 PYTHONPATH=$PWD %{__python2} selftest.py
-%endif
 popd
 
 %if 0%{?with_python3}
@@ -243,11 +239,7 @@ ln -s $PWD/Images $PWD/build/%py3_libbuilddir/Images
 cp -R $PWD/Tests $PWD/build/%py3_libbuilddir/Tests
 cp -R $PWD/selftest.py $PWD/build/%py3_libbuilddir/selftest.py
 pushd build/%py3_libbuilddir
-%ifarch s390x
-PYTHONPATH=$PWD %{__python3} selftest.py || :
-%else
 PYTHONPATH=$PWD %{__python3} selftest.py
-%endif
 popd
 %endif