it { is_expected.to run.with_params([], 'two').and_return([]) }
it { is_expected.to run.with_params(['one', 'two', 'three'], 'two').and_return(['two']) }
it { is_expected.to run.with_params(['one', 'two', 'three'], 't(wo|hree)').and_return(['two', 'three']) }
it { is_expected.to run.with_params([], 'two').and_return([]) }
it { is_expected.to run.with_params(['one', 'two', 'three'], 'two').and_return(['two']) }
it { is_expected.to run.with_params(['one', 'two', 'three'], 't(wo|hree)').and_return(['two', 'three']) }