def stubs object, *stubs, &proc
      MiniSpec::Mocks::MultipleStubsProxy.new(stubs.map {|s| stub(object, s, &proc)})
    end
def stubs object, *stubs, &proc
      MiniSpec::Mocks::MultipleStubsProxy.new(stubs.map {|s| stub(object, s, &proc)})
    end
same as `stub` except it defines multiple stubs at once

 @param object
 @param *stubs
 @param &proc
 @return MiniSpec::Mocks::MultipleStubsProxy instance