Using custom paths for behat feature and context files in symfony

src
└── ....

tests
├── behaviour
│   └── CustomerBundle
│       ├── Context
│       │   └── FeatureContext.php
│       └── Feature
│           └── PrintContextParameters.feature
└── unit
    └── ...

$ composer require --dev behat/behat

$ composer require --dev behat/symfony2-extension

default:
    autoload:
        - %paths.base%
    extensions:
        Behat\Symfony2Extension: ~
    suites:
        customer:
            paths:
                features: tests/behaviour/CustomerBundle/Feature
            contexts:
                - tests\behaviour\CustomerBundle\Context\FeatureContext:
                    parameters:
                        database_host: %%database_host%%
                        database_name: %%database_name%%

namespace tests\behaviour\CustomerBundle\Context;

use Behat\Behat\Context\Context;

class FeatureContext implements Context
{
    private $parameters;

    public function __construct(array $parameters = [])
    {
        $this->parameters = $parameters;
    }

    /**
     * @Then /^the parameters are printed$/
     */
    public function theParametersArePrinted()
    {
        print_r($this->parameters);
    }
}

Feature: Printing context parameters
  In order to print context parameters
  As a developer
  I should be able to call custom step

  Scenario: Printing parameters
    Given the parameters are printed

$ vendor/bin/behat --suite=customer

Feature: Printing context parameters
  In order to print context parameters
  As a developer
  I should be able to call custom step

  Scenario: Printing parameters
    Given the parameters are printed
      │ Array
      │ (
      │     [database_host] => 127.0.0.1
      │     [database_name] => common
      │ )
      │ 

1 scenario (1 passed)
1 step (1 passed)
0m0.14s (11.28Mb)