'm2m fields help text as it applies to admin app (#9321).'

def test_m2m_widgets(self):

    class AdvisorAdmin(admin.ModelAdmin, ):
        filter_vertical = [u'companies']
    self.assertFormfield(models.Advisor, u'companies', widgets.FilteredSelectMultiple, filter_vertical=[u'companies'])
    ma = AdvisorAdmin(models.Advisor, admin.site)
    f = ma.formfield_for_dbfield(models.Advisor._meta.get_field(u'companies'), request=None)
    self.assertEqual(six.text_type(f.help_text), u'    Hold    down    "Control",    or    "Command"    on    a    Mac,    to    select    more    than    one.')
