lettuce usage - feature file for the factorial example (using table)

factorial.feature

Feature: Compute factorial
    In order to play with Lettuce
    As beginners
    We'll implement factorial

Scenario: Factorials [0-4]
    Given I have the number <number>
    When I compute its factorial
    Then I see the number <result>

Examples:
    | number | result |
    | 0      | 1      |
    | 1      | 1      |
    | 2      | 2      |
    | 3      | 6      |
    | 4      | 24     |