Reduce page title duplication in settings and test

Patch https://review.openstack.org/#/c/142802 adds a method of
reducing duplication of page title logic, this patch applies that change
to the project settings and the test panel views.

Change-Id: I4af59bb3c051dcd24e46aacd91c49b8fcc6c10c7
Partial-Bug: 1413749

openstack_dashboard/dashboards/settings/password/templates/password/change.html

@@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Change Password" %}{% endblock %}
 
-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=_("Change Password") %}
-{% endblock page_header %}
-
 {% block main %}
   {% include "settings/password/_change.html" %}
 {% endblock %}

openstack_dashboard/dashboards/settings/password/views.py

@@ -12,6 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from django.utils.translation import ugettext_lazy as _
+
 from horizon import forms
 
 from openstack_dashboard.dashboards.settings.password \
@@ -21,3 +23,4 @@ from openstack_dashboard.dashboards.settings.password \
 class PasswordView(forms.ModalFormView):
     form_class = pass_forms.PasswordForm
     template_name = 'settings/password/change.html'
+    page_title = _("Change Password")

openstack_dashboard/dashboards/settings/user/templates/user/settings.html

@@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "User Settings" %}{% endblock %}
 
-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=_("User Settings") %}
-{% endblock page_header %}
-
 {% block main %}
   {% include "settings/user/_settings.html" %}
 {% endblock %}

openstack_dashboard/dashboards/settings/user/views.py

@@ -13,6 +13,7 @@
 #    under the License.
 
 from django.conf import settings
+from django.utils.translation import ugettext_lazy as _
 
 from horizon import forms
 from horizon.utils import functions as utils
@@ -22,6 +23,7 @@ from openstack_dashboard.dashboards.settings.user import forms as user_forms
 class UserSettingsView(forms.ModalFormView):
     form_class = user_forms.UserSettingsForm
     template_name = 'settings/user/settings.html'
+    page_title = _("User Settings")
 
     def get_initial(self):
         return {

openstack_dashboard/test/test_panels/plugin_panel/templates/plugin_panel/index.html

@@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}Plugin-based Panel{% endblock %}
 
-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title="Plugin-based Panel"%}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
   <div class="col-sm-12">

openstack_dashboard/test/test_panels/plugin_panel/views.py

@@ -10,8 +10,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from django.views.generic import TemplateView  # noqa
+from django.utils.translation import ugettext_lazy as _
+
+from horizon import views
 
 
-class IndexView(TemplateView):
+class IndexView(views.HorizonTemplateView):
     template_name = 'admin/plugin_panel/index.html'
+    page_title = _("Plugin-based Panel")