Fix tests after introduction of bootstrap

src/Bundle/ChillPersonBundle/Resources/views/Person/banner.html.twig

@@ -76,10 +76,10 @@
                         {{ 'Unknown date of birth'|trans }}
                     {% else %}
                         {{ person.birthdate|format_date('short') }}
+                        <span class="age">
+                          {{ 'years_old'|trans({ 'age': person.age }) }}
+                        </span>
                     {% endif %}
-                    <span class="age">
-                        {{ person.age ~ ((person.age > 1) ? ' ans' : ' an') }}
-                    </span>
                 </div>
                 
                 {%- if chill_person.fields.nationality == 'visible' -%}