Indentation arguments of WidthCalculator methods are required
Step path printing logic moved to PrettyPathPrinter
Scenario and example path printing logic moved to PrettyPathPrinter
Checkf for a defined step result in PrettyPathPrinter is more obvious
No unused properties in PrettyExamplePrinter
Step containers testing logic extracted to StepContainerTester
Check that feature has background before testing it
Merge pull request #464 from Behat/optimization/remove-duplication

Remove code duplication