```ruby
require 'test_helper'

class DrbarpgConnectTest < ActiveSupport::TestCase
  test "default connect timeout" do
    obj = DRbObject.new_with_uri("drbarpg://notstarted")
    st = Time.now
    assert_raise(DRb::DRbConnError) do
      obj.test
    end
    assert_operator 1..20, :===, Time.now-st
  end

  test "set connect timeout" do
    DRb.start_service("drbarpg://", nil, {:connect_timeout => 0.2})

    obj = DRbObject.new_with_uri("drbarpg://notstarted")
    st = Time.now
    assert_raise(DRb::DRbConnError) do
      obj.test
    end
    dt = Time.now-st
    assert_operator 0.2..0.9, :===, dt
  end
end
```

Add test case for two services started with equal name.
user
```ruby
require 'test_helper'

class DrbarpgConnectTest < ActiveSupport::TestCase
  test "default connect timeout" do
    obj = DRbObject.new_with_uri("drbarpg://notstarted")
    st = Time.now
    assert_raise(DRb::DRbConnError) do
      obj.test
    end
    assert_operator 1..20, :===, Time.now-st
  end

  test "set connect timeout" do
    DRb.start_service("drbarpg://", nil, {:connect_timeout => 0.2})

    obj = DRbObject.new_with_uri("drbarpg://notstarted")
    st = Time.now
    assert_raise(DRb::DRbConnError) do
      obj.test
    end
    dt = Time.now-st
    assert_operator 0.2..0.9, :===, dt
  end

  test "error if two services are started with equal name" do
    DRb.start_service("drbarpg://myserver", Kernel)
    begin
      assert_raise(ActiveRecord::RecordNotUnique) do
        DRb.start_service("drbarpg://myserver")
      end
    ensure
      DRb.stop_service
    end
  end

end
```
assistant