Test passwordreset BrowserView 

    Setup Plone email sender

    >>> portal = layer['portal']
    >>> layer.set_email_from_name(u'Old\u0159ich a Bo\u017eena')
    >>> layer.set_email_from_address('smith@example.com')
    >>> layer.set_portal_title(u'Koko\u0159\xedn Portal')
    
    Check view methods
    
    >>> view = portal.restrictedTraverse('@@passwordreset_view')
    >>> view.encoded_mail_sender()
    '"=?utf-8?q?Old=C5=99ich_a_Bo=C5=BEena?=" <smith@example.com>'

    >>> view.registered_notify_subject()
    u'User Account Information for Koko\u0159\xedn Portal'

    >>> view.mail_password_subject()
    u'Password reset request'