Add bcond_with for tests

as it has circular dependency with activesupport.
Also fixup the build, adding activesupport to BRs.

rubygem-i18n.spec

@@ -1,5 +1,7 @@
 %global gem_name i18n
 
+%bcond_without tests
+
 Name: rubygem-%{gem_name}
 Version: 1.7.0
 Release: 1%{?dist}
@@ -15,10 +17,13 @@ Source1: %{gem_name}-%{version}-tests.txz
 BuildRequires: ruby
 BuildRequires: ruby(release)
 BuildRequires: rubygems-devel
+%if %{with tests}
 BuildRequires: rubygem(minitest)
 BuildRequires: rubygem(mocha)
 BuildRequires: rubygem(test_declarative)
 BuildRequires: rubygem(concurrent-ruby)
+BuildRequires: rubygem(activesupport)
+%endif
 BuildArch: noarch
 
 %description
@@ -45,6 +50,7 @@ mkdir -p %{buildroot}%{gem_dir}
 cp -a .%{gem_dir}/* \
         %{buildroot}%{gem_dir}/
 
+%if %{with tests}
 %check
 pushd .%{gem_instdir}
 ln -s %{_builddir}/test .
@@ -56,6 +62,7 @@ sed -i -e "/require 'bundler\/setup'/ s/^/#/" test/test_helper.rb
 # https://github.com/svenfuchs/i18n/issues/115
 LANG=C.utf8 ruby -Ilib:test -e 'Dir.glob "./test/**/*_test.rb", &method(:require)'
 popd
+%endif
 
 %files
 %dir %{gem_instdir}
@@ -67,8 +74,6 @@ popd
 %files doc
 %doc %{gem_docdir}
 %doc %{gem_instdir}/README.md
-%{gem_instdir}/gemfiles
-%{gem_instdir}/test
 
 %changelog
 * Wed Oct 16 2019 Pavel Valena <pvalena@redhat.com> - 1.7.0-1