Checking output value

[harleypig]

I have an output:

output "show_time" {
  value = time_static.time_example.unix
}

I have the following scenario that works:

Scenario: Check output
  Given I have an output defined
  Then it must contain show_time
  # And its value must be time_static.time_example.unix

If I uncomment the And I get the following error:

    Scenario: Check output
        Given I have an output defined
        Then it must contain show_time
                Failure: output property in show_time output does not match with ^time_static\.time_example\.unix$ case insensitive regex. It is set to show_time.
                Failure: output property in show_time output does not match with ^time_static\.time_example\.unix$ case insensitive regex. It is set to time_static.time_example.
                Failure: output property in show_time output does not match with ^time_static\.time_example\.unix$ case insensitive regex. It is set to object.
                Failure: output property in show_time output does not match with ^time_static\.time_example\.unix$ case insensitive regex. It is set to false.
        And its value must be time_static.time_example.unix
          Failure:

What am I missing?