Scenario: Wanted - Knownledge of dependencies dependencies.
    Given I depend on "github.com/src-d/go-git" version 4.3
    And "github.com/src-d/go-git" version 4.3 depends on "github.com/src-d/go-billy" version 1.0
    When I install dependencies
    Then I will have "github.com/src-d/go-billy" version 1.0
    And I will have "github.com/src-d/go-git" version 4.3
    
Scenario: Actual - Knownledge of dependencies dependencies.
    Given I depend on "github.com/src-d/go-git" version 4.3
    And "github.com/src-d/go-git" version 4.3 depends on "github.com/src-d/go-billy" version 1.0
    When I install dependencies
    Then I will have the latest "github.com/src-d/go-billy" 
    And I will have "github.com/src-d/go-git" version 4.3