Symfony2 Behat and Emails

I've been using Behat with my Symfony apps for some time now but recently I needed to include emails in my features. I found tutorials at http://docs.behat.org/cookbook/using_the_profiler_with_minkbundle.html and http://docs.behat.org/cookbook/intercepting_the_redirections.html but they did not work out of the box for me. I guess they are now slightly out of date. After some time searching the docs and source code. I found that I needed to enable the profiler in the test environment:

# app/config/config_test.yml
framework:
    profiler:
        enabled: true

I tried leaving this set to false and enabling the the profiler for the next request with a step but it always said the profiler was diabled

# src/.../...Bundle/Features/Context/FeatureContext.php
    /**
     * @When /^(?:|I )enable the profiler$/
     */
    public function iEnableProfiler()
    {
        $driver = $this->getSession()->getDriver();
        $driver->getClient()->enableProfiler();
    }

Also I needed to change the instance of checks from GoutteDriver and SymfonyDriver to KernelDriver. Also I did not need to tag the scenario @mink:symfony as the default session in behat.yml is set to symfony2. Below is what I ended up with. Hope this helps someone else.

# src/.../...Bundle/Features/Context/FeatureContext.php
    public function getSymfonyProfile()
    {
        $driver = $this->getSession()->getDriver();
        if (!$driver instanceof KernelDriver) {
            throw new UnsupportedDriverActionException(
                'You need to tag the scenario with '.
                '"@mink:symfony". Using the profiler is not '.
                'supported by %s', $driver
            );
        }

        $profile = $driver->getClient()->getProfile();
        if (false === $profile) {
            throw new \RuntimeException(
                'Emails cannot be tested as the profiler is '.
                'disabled.'
            );
        }

        return $profile;
    }

    public function canIntercept()
    {
        $driver = $this->getSession()->getDriver();
        if (!$driver instanceof KernelDriver) {
            throw new UnsupportedDriverActionException(
                'You need to tag the scenario with '.
                '"@mink:goutte" or "@mink:symfony". '.
                'Intercepting the redirections is not '.
                'supported by %s', $driver
            );
        }
    }

# src/.../...Bundle/Features/....feature
  Scenario: Send an email
    Given I am on the homepage
    When I fill in ...
    And I press "Send message" without redirection
    Then I should get an email to "..." with "..."
    And I should be redirected